Question

Answer this question plz plz​

Answer 1

Answer:

1. A flap like muscular valve that controls movement of air and food is epiglottis .
2. Kidney -> Ureters -> Urinary bladder -> Urethra -> Outside of the body.
3. Antoine Lavoisier noted that there was a profound difference between the air in which combustion of a metal had been carried out and the one which had served for respiration.The air that we breathe out precipitated lime water while that after heating metal did not.

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