Human Body Comprehensive Part 2
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36 terms
Terms | Definitions |
|---|---|
 sixty five percent (65%) | of a human's body weight is made up of water |
| small intestinve | is part of the body where most of the chemical digestion takes place |
| digestion | process in which your body breaks down food into small nutrient molecules |
| bile | is what the liver produces |
| water | is the nutrient that is needed in order for all body processes to take place |
| fats | one role is to form part of the cell membrane |
| functions of cardiovascular system | transporting cells that attack disease causing miroorganisms, carrying oxygen, glucose, and other needed materials to cells, and carries waste products away from cells |
| blood | carries the needed substances to the body cells |
| function of the atria | is to receive blood that comes into the heart |
| arteries | blood vessels that carry blood away from the the heart |
| when blood flows into the right atrium from the body | it contains little oxygen and a lot of carbon dioxide |
| capillaries | where materials are exchanged between the blood and the body cells |
| blood pressure | the force with which the ventricles contract is called |
| clotting | if a person's blood lacked platelets what process could not take place |
| blood types | are determined by marker molecules on the red blood cells |
| type O | is the blood type of a person whose plasma contains anti-A, anti-B clumping proteins |
| what eventually happens when to fluid that leaks from capillaries into the surrounding tissues | it returns to the blood through the lymphatic system |
| what is the function of the lymph nodes | to trap disease causing bacteria |
| atherosclerosis | is a condition in which the artery walls thicken as the result of a buildup of fatty materials |
| why is atherosclerosis especially serious when it develops in the coronary arteries | it can lead to a heart attack |
| why is exercise important for cardiovascular health | because it strenghtens the heart muscle |
| to maintain cardiovascular health | foods high in fat should be avoided because they can lead to atherosclerosis |
| valves | is the heart structures that prevents blood from flowing backward |
| what happens when ventricles contract | blood is pumped out of the heart |
| right ventricle | which chamber of the heart pumps oxygen poor blood to the lungs |
| if your pulse rate increases | your heart is beating faster than before |
| hypertension | is a condition in which blood pressure is consistently higher than normal |
| plasma | is a component of blood that is 90% water |
| fighting disease | is the function of white blood cells |
| how many loops are in the human circulatory system | there are 2 loops |
| carbon dioxide and water | is the substances that are produced during respiration |
| the alveoli | where the respiratory systems gas exchanges occur |
| oxygen | the role of the respiratory system is to bring what substance into the body |
| during gas exchange, which substance moves from the alveoli into the blood | it would be oxygen |
| diaphragm | the dome-shaped muscle that plays an important role in breathing |
| carbon monoxide | is the chemical in tobacco smoke that binds to hemoglobin, causing the red blood cells to carry less than their normal load of oxygen |
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