The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as? by Sunday | Sep 10 | Biology JAMB | 0 comments A. arterioles B. venules C. arteries D. capillaries Correct Answer: Option D – capillaries Users Also Read These:In which of the following blood vessels does…A person with blood group, O can be given blood from…The quantity supplied of a book per week is…A woman with blood group A gives birth to a child…The increase in width of blood vessels in the…