Question

Explain the advantages of red blood cells passing through a capillary one at a time.

Answer 1

Answer:

The advantage of this is that there is a larger surface area exposed, more time available and shorter difference for exchange of oxygen.

Explanation:

Answer 2

Red Blood Cells are approximately 0.01 mm, so only one can pass through the small capillary. The advantage of this is that there is a larger surface area exposed, more time available and shorter difference for exchange of oxygen.