State the importance of epiglottis and villii?
Asked by | 19th Mar, 2008, 04:46: PM
Epiglottis covers & blocks the opening of the trachea when food is swallowed, thereby preventing us from choking.
Villi increases the surface area of inner wall for absorption in the intestine.
Answered by | 22nd Mar, 2008, 01:26: PM
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