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| Heterotrophic cells that consume other cells or food particles. Movement of gases and nutrients is accomplished by simple diffusion within the cell. |
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| Organisms that have body walls that are two cells thick. All cells are in direct contact with either the internal or external environments so there is no need for specialized circulatory system. |
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| Organisms with open circulatory system (Blood and other fluids are in direct contact with body tissues. |
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| Organisms (such as earthworm and humans) that use closed circulatory system (blood is confined to blood vessels) to deliver materials to cells not in direct contact with external environment. |
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| Valves located between the atria and ventricles that prevent back-flow of blood into the atria. |
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| Atrioventricular valve on the right side of the heart. It has three cusps. |
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| Atrioventricular valves on the left side of the heart. It has two cusps. |
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| Valves located between the left ventricle and the aorta (aortic valve) and between the right ventrical and the pulmonary artery (pulmonic valve). |
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| Phase in the heart's pumping cycle in which the ventricles contract. |
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| Phase of the hearbeat in which the cardia muscle is relaxed and the blood drains into all four chambers. |
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| Total volume of blood the left ventricle pumps out per minute which is Heart rate * stroke volume (volume of blood pumped out of the left ventricle per contraction). |
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| Thick-walled, muscular, and elastic vessels that transport oxygenated blood away from the heart- except for the pulmonary ones which transport deoxygenated blood from the heart to the lungs. |
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| Thinly walled, inelastic vessels that conduct deoxygenated blood towards the heart - except for the pulmonary ones which carry oxygenated blood from the lungs to the heart. |
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| Circulatory system that transports interstitial fluid called _____ to the cardiovascular system in order to keep fluid levels in the body constant. |
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| Swelling along the lymph vessels that containing phagocytic cells (leukocytes) that filter the lymph, removing and destroying foreign particles and pathogens. |
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| Liquid portion of the blood. About 55% of the blood. Contains nutrients, salts, respiratory gases, wastes, hormones, and blood proteins. |
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| Cellular components of the blood, about 45% of total blood volume. Formed in the bone marrow. |
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| Cells in blood that serve protective functions and are involved in immune esponse and production of antibodies. |
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| During clotting this protein with the aid of calcium and vitamin K converts inactive prothrombin to its active form thrombin. |
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| Converts fibrinogen into fibrin |
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Definition
| Coats the damaged area in blood vessels. Traps blood cells to form clots. |
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| Inflammatory response that is initiated by the body's response to physical damage. Causes blood vessels to dilate. |
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| Complex proteins that recognize and bind to specific antigens and trigger immune system. Also called __________. |
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| Blood type __, Doesn't produce anti-A nor anti-B antibodies. |
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| Type _ blood, will not elicit a response from the recipients immune system because it does not possess any surface antigens. |
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| Primary organ for transport (circulation/translocation) in plants. |
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| Run up and down the stem. Contains xylem, phloem, and cambium cells. |
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| Thick cells on the inside of the vascular bundle. Carries water and minerals up the plant and also provides rigid support for the plant. Rise of water due to transpiration pull, capillary action, and root pressure. |
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| Thin walled cells on the outside of the vascular bundle. Transports nutrients down the stem. |
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| Two layer meristem cells found between the xylem and phloem cell layers and divides into either a xylem or a phloem cell based on the cell around it. |
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