The surface of an alveolus in a mammal is well supplied w...
The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as
arterioles
venules
arteries
capillaries
Correct answer is D
No explanation has been provided for this answer.
In mosses the structure which performs the function of water absorption is the _________? ...
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The joint between the femur and tibia is known as ________? ...
Another name for a fertilized egg is a ...
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