Question

what are the advantages of having very thin and highly branched capillaries for blood flow​

Answer 1

Very thin capillaries facilitates easy diffusion of gases between the tissues and blood. The highly branched network helps the blood to reach each and every minute part of the body.

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Answer 2

Very thin capillaries help in QUICK DIFFUSION OF BLOOD (or oxygen and carbon dioxide) to different to different organs .

While branched capillaries provide more surface area for DIFFUSION of blood (as a carrier of different materials produced in the body )