Question

Give reasons.
D) Food becomes acidic in the stomach.
(2) Cardiac muscles are said to be
involuntary muscles.​

Answer 1

Answer:

D) Food becomes acidic in stomach because of the presence of hydrochloride acid in the stomach. As the food reaches the stomach, it gets mixed with the hydrochloride acid present there. The hydrochloride acid plays the following roles in digestion

(2) Cardiac muscles are said to be involuntary because they are not controlled by our will. These muscles are found in heart and are the only muscles which work throughout the life without getting tired or fatigue.

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Answer 2

Explanation:

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