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:A woman with blood group A gives birth to a child…"I can stand well enough and I speak well enough".…Which of the following blood vessels have valves?What is the probability? of a man of blood group AB…Which of the following substance from the mother's…