Biology, 02.12.2019 01:31 Hamilton1757
Which statement best describes the function of arteries, veins, and capillaries in the circulatory system?
a. arteries generally carry oxygen-rich blood away from the heart; veins generally carry oxygen-depleted blood back to the heart; capillaries deliver blood to individual cells.
b. arteries carry oxygen-rich blood to the heart; veins carry oxygen-depleted blood away from the heart; capillaries deliver blood to individual cells.
c. arteries carry oxygen-rich blood to the heart; capillaries carry oxygen-depleted blood away from the heart; veins deliver blood to individual cells.
d. arteries deliver blood to individual cells; capillaries carry oxygen-rich blood to the heart; veins carry oxygen-depleted blood away from the heart.
Answers: 1
Biology, 22.06.2019 11:30, itssergioa
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Biology, 22.06.2019 15:10, sydneip2394
Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier
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