Term
| What substance is the primary component of the blood? |
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Definition
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Term
| what is the function of the circulatory system? |
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Definition
| transport network for the body for exchange materials (gases, nutrients, waste, heat, hormones) |
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Term
| What 2 gases bind to hemoglobin? |
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Definition
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Term
| What chamber of the heart is the most muscular? |
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Definition
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Term
| list the 2 semi-lunar valves and their locations |
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Definition
aortic semilunar valve- between the left ventricle and aorta
pulmonary semilunar valve- between right ventricle and pulmonary artery |
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Term
| what pathway does the blood flow from the heart to the lungs and back? |
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Definition
| pulmonary circulation- goes from the right atria to the right ventricle to the lungs |
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Term
| what is the pathway of the blood flow through the body |
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Definition
| systemic circulation- comes from the lungs into the left atria to the left ventricle to the body |
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Term
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Definition
| pressure in artery during contraction |
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Term
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Definition
| pressure in artery during relaxation |
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Term
| Blushing and vigorous ________ causes blood to flow to the skin |
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Definition
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Term
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Definition
| thin walled tubes where diffusion occurs |
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Term
| what happens in the capillaries? |
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Definition
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Term
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Definition
| tubes with valves that take blood back to the heart |
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Term
| which have thinner walls veins or arteries? |
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Definition
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Term
| what prevents blood back up in the veins? |
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Definition
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Term
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Definition
| swelling due to lymphs collecting in the tissue |
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Term
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Definition
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Term
| why are the walls of the alveoli and capillaries so thin? |
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Definition
| to allow easy exchange or diffuse of gases |
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Term
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Definition
| chronic inflammation of the bronchial tubes that causes swelling and constriction of airways |
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Term
| why is chewing important? |
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Definition
| breaks food apart into smaller pieces so that there will be more surface area for enzymes to work |
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Term
| what is digested in the mouth |
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Definition
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Term
| name the gastric juices and their functions |
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Definition
hydrochloric acid (HCL)- kills invaders
Pepsin- major enzyme to digest protein |
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Term
| the three jobs of the liver are |
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Definition
*secret bile
*filters foreign organisms from the blood *detoxifies the blood |
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Term
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Definition
| secreted by liver helps break down fat molecules |
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Term
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Definition
| break down of large fat molecules into smaller ones |
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Term
| what is the primary function of the large intestine |
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Definition
| absorbing the excess water |
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Term
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Definition
functional units of the kidneys
always close to capillaries
where the filtration is done |
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Term
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Definition
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Term
| what occurs in the proximal tubule? |
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Definition
| reabsorption of a majority of the filtered materials occurs |
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Term
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Definition
| carbohydrates, lipids, proteins, and vitamins |
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Term
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Definition
| the amount of food and drink consumed a day |
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Term
| an average person will lose how many pounds of fat per week when dieting? |
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Definition
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Term
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Definition
| obesity, bulimia, anorexia |
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Term
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Definition
| an eating disorder characterized by cycle of eating binges and purges; thought to be psychological, stemming from depression,low self-esteem, displaced anger, a need to be in control of one's body |
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Term
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Definition
| eating disorder characterized by thin, dry brittle hair and fingernails; constipation; amenorrhea (lack of menstrual periods);decreased heart rate; loss of body proteins; weaker heartbeat |
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Term
| a deficiency disease is caused by what? |
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Definition
| the lack of a certain vitamin, nutrient or mineral in the diet |
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Term
| what is known as "hitting the wall" |
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Definition
| sudden onset of disabling fatigue that occurs when the limited amount of stored glycogen falls below a certain level during heavy, prolonged exercise |
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Term
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Definition
| a deficiency disease caused by lack of enough calcium; results in a lowering of the density of the bones. recommend daily intake of 1200 mg of calcium to prevent |
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Term
| a persons total energy requirements are highest when? |
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Definition
| during the first 12 months of life |
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Term
| Nephrons are always close to.... |
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Definition
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