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| The basic structural unit of all plants and animals: |
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| When a cell membrane allows certain substances, but not all, to pass through this is known as: |
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| The *thick* fluid that fills a cell: |
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| Structures that perform specific functions within a cell are called: |
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| The organelle within the cell that contains DNA |
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| The cells of lower plants and animals such as blue-green algae and bacteria |
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| The Cells of higher plants and animals such as most algae, fungi, protozoa. |
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| The outer covering that encircles the cell. |
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| The clear liquid portion of cytoplasm. |
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| A network of small channels within the cell that has both rough and smooth portions. |
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| The "powerhouse" of the cell |
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| This organelle contains "digestive enzymes" Its functions include protection against diseases, and breaking down bacteria and organic debris. |
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| This organelle is especially abundant in the liver, they absorb and neutralize toxins such as alcohol. |
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| Structure of protein filaments that supports the internal structure of a cell. |
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| A type of white blood cell, that attacks foreign substances as part of the body's immune response. |
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| A cell that has the ability to ingest other cells and substances such as bacteria and cell debris. |
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| Ingestion and digestion of bacteria and other substances by phagocytes. |
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| White blood cell with a "single" nucleus; the largest normal blood cell. |
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| Substance that is "poisonous" to cells |
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| Group of cells that perform a similar function |
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| The protective tissue that lines the internal and external body tissues. |
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| The most abundant body tissue, providing support, connection, and insulation. |
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| Tissue that transmits electrical impulses througout the body. |
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| This tissue has the capability of contration when stimulated. |
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| This type of muscle tissue is mostly found in the heart. Has the capability of spontaneous contration without external stimulation. |
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| This Muscle tissue is found within the intestines and encircling blood vessels. |
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| This is the most abundant muscle tissue in the body. |
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| A group of tissues, functioning together. |
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| A group of organs that work together. |
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| Natural tendency of the body to maintain a steady and normal internal environment |
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| The structure of an oraganism; body structure. |
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| Thefunctions of an organism; the physical and chemical processes of a living thing. |
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| The total changes that take places during the physiological process. |
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| These types of glands are also called "ductless" glands, and secrete hormones directly into the circulatory system, where they travel to the target organ tissue. |
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| These types of glands secrete substances onto the epithelial surfaces of the body via ducts |
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| This type of signaling is occurs via hormones distributed throughout the body |
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| This type of signaling is nonendocrine/nonhormonal. It involves secretion of chemical mediators by certain cells that act only on nearby cells. |
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| This type of signaling occurs when cells secrete substances that may act upon themselves. |
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| This type of signaling occurs occurs when cells secrete specialized chemicals called neurotransmitters, that transmit signals across synapses (junctions between neurons). |
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| When something interferes with the normal sending or receiving of messages between cells, a _________________ process can begin or advance. |
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| Chemical signals are received by various ___________ in the form of hormones and neurotransmitters. |
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| This type of receptor responds to increasing levels of CO2 in the cerebrospinal fluid, stimulating respiratory centers n the brainstem to increase the rate and depth of respirations. (Responds to chemical stimuli) |
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| This type of receptor responds to pressure changes. Sense changes in Blood Pressures, which then cause cardiac centers in the medulla to alter the heart rate. |
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| These types of receptors respond to neurotransmitters and medications, resulting in a variety of cardiovascular and respiratory responses |
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| Alpha and beta adrenergic receptors |
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| When a disease interrupts homeostasis at a specific site of the illness or injury this is called a __________ effect. |
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| When a disease interrupts homeostasis throughout the body this is known as a _____________ effect. |
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