CBSE Class 10 Answered
The capillaries have walls which are one-cell thick. Give reason.
Asked by araima2001 | 20 Sep, 2015, 01:09: PM
Expert Answer
- The one-cell thickness of the walls of the capillaries makes them very thin and hence permeable.
- The cells take up useful substances from the tissue fluid and give out the waste substance in the tissue fluid.
- The substances from capillaries can easily diffuse in or diffuse out between the capillaries and the tissues fluid easily due the permeability of capillaries.
Answered by Hemangi Binny | 20 Sep, 2015, 05:21: PM
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