Are where exchange of materials with surrounding cells occurs.
veins
arterie...
Biology, 26.12.2019 11:31 daniel8orange
Are where exchange of materials with surrounding cells occurs.
veins
arteries
capillaries
none of the above
Answers: 3
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All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time
Answers: 1
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Evolution acts upon the population of organisms and not on each individual organism
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