Question

(a) What prevents the entry of food into trachea while swallowing? (b) Why rate of breathing is faster in aquatic animals as compared to Terrestria​

Answer 1

Explanation:

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Answer 2

Answer:

a///epiglottis - large , leaf-shaped piece of cartilage lying on top of larynx; during swallowing the larynx elevates, causing the epiglottis to fall on the glottis (opening into larynx) like a lid, closing it off - this prevents food from entering the windpipe (trachea). a.

b///Aquatic animals breathe at a faster rate than the terrestrial animals because the amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air.