Fill in the blanks with suitable words given below.
Fluctuation of hormone (A) Ghrelin levels results in sensation of hunger and motivation of consuming food. When you feel your stomach is full and there is no need of food any more. Another hormone (B) Leptin that gets secreted suppresses hunger. When we take food into the mouth it has to be chewed thoroughly. For this purpose, the (C) circular muscles help in chewing actions, while the (D) surface muscles of the jaw moves the jaw up, down, forward and backward during food mastication. The (E) fifth cranial nerve controls the muscles of the jaw. Under the action of (F) autonomous nervous system Saliva is released by the salivary glands moistens the food to make chewing and swallowing easier. The salivary (G) amylase in the saliva breaks down the starch into sugars. As a result of chewing the food is transported into the oesophagus by the action of swallowing which is coordinated by the swallowing centre in the (H) medulla oblongata and the (I) brain stem. The tongue which is gustatory recognizes the taste and (J) 10th cranial nerve plays an important role in sensation of taste.
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