Question

Describe capillaries .

Answer 1

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Answer:

Capillaries are the smallest ceases have walls which are one cell thick. Exchange of material between the blood and surrounding cell takes place across the thin wall of capillaries. Capillaries join together to form veins that convey blood away from the organ or tissue...

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Answer 2

here is yøur answer

*Capillaries, the smallest and most numerous of the blood vessels, form the connection between the vessels that carry blood away from the heart (arteries) and the vessels that return blood to the heart (veins). The primary function of capillaries is the exchange of materials between the blood and tissue cells*