Term
|
Definition
| fluid connective tissue of the circulatory system; consists of blood cells and plasma |
|
|
Term
|
Definition
| multi-chambered, muscular organ that pumps blood throughout the body |
|
|
Term
|
Definition
| microscopic blood vessel that carries blood between an artery and a vein, allowing the exchange of substances between the blood and interstitial fluid |
|
|
Term
|
Definition
| vessel that carries blood away from the heart to other parts of the body |
|
|
Term
|
Definition
| vessel that returns blood to the heart |
|
|
Term
|
Definition
| fluid similar to interstitial fluid that circulates in the lymphatic system |
|
|
Term
|
Definition
| circuit of blood flow that carries blood between the heart and lungs |
|
|
Term
|
Definition
| circuit of blood flow that carries blood between the heart and the rest of the body |
|
|
Term
|
Definition
| artery that carries blood directly from the heart to the rest of the body |
|
|
Term
|
Definition
| heart chamber that receives blood returning to the heart from other parts of the body |
|
|
Term
|
Definition
| heart chamber that pumps blood out of the heart |
|
|
Term
|
Definition
| flap of tissue in the heart that prevents blood from flowing in the wrong direction |
|
|
Term
|
Definition
| specific region of heart that sets the rate at which the heart contracts |
|
|
Term
|
Definition
| (atrioventricular node) region of the heart between the right atrium and right ventricle from which electrical impulses spread to the ventricles during a heartbeat |
|
|
Term
|
Definition
| first number of a blood pressure reading; measures the pressure on artery walls when heart ventricles contract |
|
|
Term
|
Definition
| second number of a blood pressure reading; measurement of the pressure on artery walls when the heart is relaxed |
|
|
Term
|
Definition
| liquid portion of blood made up of water, dissolved salts, proteins, and other substances |
|
|
Term
|
Definition
| blood cell containing hemoglobin, which transports oxygen; also called an erythrocyte |
|
|
Term
|
Definition
| iron-containing protein in red blood cells that carries oxygen for delivery to cells |
|
|
Term
|
Definition
| blood cell that functions in defending the body against infections and cancer cells; also called a leukocyte |
|
|
Term
|
Definition
| fragment of a blood cell originating in the bone marrow that is involved in blood clotting |
|
|
Term
|
Definition
| deposits of cholesterol, calcium, and fat that build up on artery walls and can lead to cardiovascular disease |
|
|
Term
|
Definition
| illness of the heart and/or blood vessels |
|
|
Term
|
Definition
| narrowing of the arteries that results from a buildup of plaque |
|
|
Term
|
Definition
| condition that occurs when an artery becomes blocked, disrupting blood flow to the heart |
|
|
Term
|
Definition
| condition that occurs when plaque hardens on artery walls |
|
|
Term
|
Definition
| condition of having a blood pressure of 140/90 or higher for an extended period; also called high blood pressure |
|
|
Term
|
Definition
| damage to brain tissue resulting from a clot blocking blood flow to the brain |
|
|
Term
|
Definition
| the junction in the throat of the alimentary canal and the trachea |
|
|
Term
|
Definition
| flap of tissue that covers the trachea during swallowing, preventing food from entering the lungs |
|
|
Term
|
Definition
| voicebox; contains the vocal cords |
|
|
Term
|
Definition
| in some arthropods, chitin-lined air tube that forms part of the respiratory system in humans, tube between the larynx and bronchi through which air travels to the lungs; also called the windpipe |
|
|
Term
|
Definition
| one of two tubes connecting the trachea to each lung |
|
|
Term
|
Definition
| organ consisting of sponge-like tissue that exchanges oxygen and carbon dioxide with the blood |
|
|
Term
|
Definition
| thin tube that branches from a bronchus within a lung |
|
|
Term
|
Definition
| one of millions of tiny sacs within the lungs where gas exchange occurs |
|
|
Term
|
Definition
| sheet of muscle that forms the bottom wall of the chest cavity; contracts during inhaling and relaxes during exhaling |
|
|
Term
|
Definition
| respiratory disease in which alveoli lose their elasticity, leading to difficulty breathing |
|
|
