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:The quantity supplied of a book per week is…Ice of mass 50g at 0°C was completely melted by 70%…In an elastic collision; momentum is conserved as…Which of the following blood vessels have valves?What is the probability of producing a child of…