Social Sciences, asked by vijaykumarvoiny123, 8 months ago

एड्स दा पता करो लग गयाएड्स का पहला पत्र कैसा लगा ​

Answers

Answered by ItzRevan
0

Explanation:

Shape of Red Blood Cells. Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.

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