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Definition
| the tissue made of cells that can contract and relax to produce movement |
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Definition
| a voluntary muscle that is attached to the bones and that moves parts of the body |
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Definition
| the type of involuntary muscle found in the heart |
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Definition
| the tissue of the nervous system, which consists of neurons, their supporting cells and connective tissue. |
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Definition
| a nerve cell that is specialized to receive and conduct electrical impulses. |
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Definition
| a tissue that is composed of a sheet of cells and that covers a body surface or lines a body cavity. |
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Definition
| a tissue that has a lot of intracellular substance and that connects and supports other tissues |
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Definition
| an extracellular substance that gives connective tissue its strength and flexibility; can be solid, semisolid, or liquid |
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Definition
| a connection of tissues that carry out a specialized function of the body |
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Definition
| the area of the skull within which the brain rests |
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Definition
| the hollow part of the body that contains the spinal cord |
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Definition
| a dome-shaped muscle that is attached to the lower ribs and that functions as the main muscle in respiration |
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Definition
| the part of the human body cavity that is between the neck and the abdomen and that contains the heart and the lungs |
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Definition
| the hollow part of the body that is below the diapgragm and above the pelvis; contains the organs of digestion, excretion, and reproduction. |
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Definition
| the hollow part of the body that is below the abdominal cavity and that contains the organs of the reproductive and excretion systems. |
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Definition
| the bones of a human or animal body that forms the framework of the body, supports the muscles and organs, and protects the inner organs. |
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Definition
| the bones of the skull, ribs, vertebral column and sternum |
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Definition
| the bones of the arms and legs along with the scapula, clavicle and pelvis |
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Definition
| a white, double-layered membrane that covers the entire surface of bone except for the joint surfaces, it is richly supplied with nerve fibers and blood vessels. |
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Definition
| the layer of bone that is just beneath the periosteum and that gives that bones its strength and rigidity |
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Definition
| a channel containing blood vessels in compact bone tissue. |
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Definition
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Term
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Definition
less-dense bone tissue that has many open spaces
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Term
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Definition
soft tissue inside bones where red and white blood cells are produced
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Definition
| an injury in which the tissue of a bone is broken |
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Definition
| the process by which cartilage is converted into bone. |
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Term
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Definition
| the point at which bones elongate during growth it is found at joint ends of long bones, is composed of cartilage, and becomes an epiphyseal line in mature bone |
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Term
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Definition
| a place where two or more bones meet |
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Definition
| a joint at which no movement occurs |
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Definition
| a joint at which limited movement occurs |
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Definition
| a joint at which a wide range of motion occurs |
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Definition
| a type of connective tissue that holds together the bones in a joint |
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Term
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Definition
| the transparent fluid lubricates joints |
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Term
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Definition
| a chronic immune-system disorder that causes stiff and painful joints |
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Term
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Definition
| a degenerative joint disease in which cartilage covering the surface of the bones becomed thinner and rougher |
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Term
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Definition
| a multinucleate muscle cell, especially of skeletal or cardiac muscle tissue |
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Term
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Definition
| muscle fiber contained with many nuclei and is crossed by light and dark stripes |
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Definition
| a muscle whose movement can be consciously controlled |
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Term
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Definition
| a muscle whose movement cannot be controlled voluntarily, such as the cardiac muscle |
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Definition
| a bundle of threadlike structure found within a striated muscle cell and mostly made up of actin and myosin |
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Term
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Definition
| the most abundant protein in muscle tissue and the main constituent of the thick filaments of muscle fibers |
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Term
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Definition
| a protein that makes up the thin filaments of muscle fibers and that functions in the contraction and relaxation of muscle |
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Term
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Definition
| the line formed by the attachment of actin filaments between two sarcomeres of a muscle fiber in striated muscle cells |
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Term
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Definition
| the basic unit of contraction in skeletal and cardiac muscle |
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Term
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Definition
| a tough connective tissue that attaches a muscle to a bone or to another body part |
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Term
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Definition
| in anatomy, the point at which a muscle attaches to a stationary bone |
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Term
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Definition
| in anatomy, the point at which a muscle is attached to a moving bone |
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Definition
| a muscle that bends a joint |
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Definition
| a muscle that extends a joint |
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Definition
| the physiological inability of a muscle to contract |
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Definition
| the extra amount of oxygen that must be taken in by the body to replenish the msucles oxygen reserves and to allow for the breakdown of lactic acid within the muscles, especially after strenuous activity. |
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Term
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Definition
| the outer surface layer of cells of a plant or animal |
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Definition
| a hard protein that forms hair, bird feathers, nails and horns |
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Definition
| a pigment that helps determine skin color |
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Definition
| the layer of skin below the epidermis |
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Definition
| a gland that discharges its secretions through a duct |
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Term
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Definition
| an exocrine gland that secretes sweat; these glands are distributed over the skin surface of most of the body |
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Term
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Definition
| an exocrine gland that secrets an oily substance called sebum |
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Term
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Definition
| the oily secretion of the sebaceous glands |
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Term
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Definition
| the elongated muscle that is not under voluntary control and that is found in the digestive tract, blood vessels, glands, and hair follicles but not in the heart |
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Term
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Definition
| dense bundles of skeletal muscle fibers |
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Definition
| a collection of organs that transport blood throughout the body; the organs in this system include the heart, the arteries, and the veins |
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Term
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Definition
| a collection of organs whose primary function is to collect extracellular fluid and return it to the blood; the organs in this system include the lymph nodes, and the lymphatic vessels. |
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Term
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Definition
| a chamber the receives blood that is returning to the heart |
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Term
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Definition
| one of the two large muscular chambers that pump blood out of the heart |
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Term
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Definition
| a fold of membranes that controls the flow of a fluid |
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Term
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Definition
| the main artery in the body; it carries blood from the left ventricle to systemic circulation |
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Term
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Definition
| a mass of cardiac muscle cells that lies at the junction of the superior vena cava with the right atrium and that initiates and regulates contraction of the heart |
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Term
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Definition
| a mass of specialized cardiac muscle that is located between the right atrium and right ventricle and that generates electrical impulses that cause the ventricles of the heart to compact |
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Term
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Definition
| the rhythmic pressure of the blood against the walls of a vessel, particularly an artery |
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Term
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Definition
| a blood vessel that carries blood away from the heart to the body's organs |
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Term
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Definition
| the force that blood exerts on the walls of the arteries |
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Term
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Definition
| a condition of high blood pressure |
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Term
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Definition
| a tiny blood vessel that allows an exchange between blood and cells in tissue |
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Term
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Definition
| in plants, a bundle of vascular tissue that transports fluids and nutrients; in animals, a vessel that carries blood to the heart. |
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Term
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Definition
| the flow of blood from the right ventricle of the heart to the lungs and back to the left atrium of the heart through the network of pulmonary arteries, capillaries, and veins |
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Term
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Definition
| the movement of blood from the heart to all parts of the body and back to the heart |
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Term
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Definition
| a disease characterized by the buildup of fatty materials on the interior walls of the arteries |
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Term
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Definition
| the fluid that is collected by the lymphatic vessels and nodes |
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Term
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Definition
| in biology, the liquid component of blood |
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Term
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Definition
| a disc-shaped cell that has no nucleus, that contains hemoglobin, and that transports oxygen in the circulatory system |
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Term
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Definition
| the oxygen-carrying protein in red blood cells |
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Term
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Definition
| a type of cell in the blood that destroys bacteria, viruses, and toxic proteins and helps the body develop immunities |
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Term
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Definition
| a cell that ingests and destroys foreign matter or microorganisms |
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Term
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Definition
| a protein that reacts to a specific antigen or that inactivates or destroys toxins |
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Term
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Definition
| a fragment of a cell that is needed to form blood clots |
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Term
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Definition
| a protein that forms a network of fibers during blood clotting |
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Term
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Definition
| a classification of blood that depends on the type of antigen present on the surface of the red blood cells. |
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Term
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Definition
| a substance that stimulates an immune response |
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Term
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Definition
| one of several blood-group antigens carried on the surface of red blood cells. |
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Term
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Definition
| a collection of organs whose primary function is to take in oxygen and expel carbon dioxide; the organs of this system include, the lungs, the throat, and the passageways that lead to the lungs. |
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Term
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Definition
| the exchange of gases between the atmosphere and the lungs |
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Term
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Definition
| the exchange of gases between the blood and the cells of the body |
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Term
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Definition
| the central organ of the respiratory system in which oxygen from the air is exchanged with carbon dioxide from the blood. |
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Term
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Definition
| in flatworms, the muscular tube that leads from the mouth to the gastrovascular cavity; in animals with a digestive tract, the passage from the mouth to the larynx and esophagus |
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Term
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Definition
| a structure that hangs at the entrance of the larynx and prevents food from entering the larynx and the trachea while swallowing |
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Term
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Definition
| in insects, myriapods, and spiders, one of a network of air tubes; in vertebrates, the tube that connects the larynx to the lungs |
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Term
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Definition
| the area of the throat that contains the vocal cords and produces vocal sounds |
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Definition
| one of the two tubes that connects the lungs with the trachea |
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Term
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Definition
| a small air passage that branches from the bronchi within the lungs |
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Term
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Definition
| any of the tiny air cells of the lungs where oxygen and carbon dioxide are exchanged. |
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Term
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Definition
| the process of taking air from outside the body into the lungs |
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Term
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Definition
| a dome-shaped muscle that is attached to the lower ribs and that functions as the main muscle in respiration |
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Term
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Definition
| the process in which air is forced out of the lungs |
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