Answer :
thin and branched its helps is easy exchange of oxygen and waste materials by diffusion from bool to cells and vice-versa.
Answer:
The advantages of having very thin and highly branched capillaries are-
1)Very thin capillaries help in easy diffusion of gases.
2)Branched capillaries help the blood to reach every part of the body easily so nutrients are also transported easily to every part of the body.
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