1.

What are the steps of animal nutrition ? How is food prevented from entering the windpipe?

Answer»

During the act of swallowing a flap-like valve CLOSES the PASSAGE of the WINDPIPE and GUIDES the food into the foodpipe. If, by chance, food PARTICLES enter the windpipe, we feel choked, get hiccups or cough.Explanation:hope that you thank mark brainlist and follow me



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