Question

Write the advantages of having large number of capillaries over alveoli

Answer 1

Answer:

Explanation:

These tiny air sacs provide an ideal site for the diffusion of the gases into and out of the blood (gas exchange).

increases surface area.

Answer 2

Answer:INCREASE OXYGEN IN BLOOD

Explanation:MORE CAPILLARIES ARE PRESENT IN ALVEOLI IN THE LUNGS FOR MORE OXYGEN TO BE INCORPORATED IN THE BLOOD FLOWING THROUGH IT AND INCREASE THE OXYGEN FLOW IN THE BLOOD FOR BETTER BODY FUNCTIONS.