Which is the first source of energy for the body?

a. proteins
b. carbohydrates
c. fats
d. water

Carbohydrates  is the first source of energy for the body

Explanation:

The principal energy source in human body is of carbohydrates. They are consisted of starch and sugar, which breaks down in glucose and works as the first energy source in body. It is used for fuel works of body or can be stored in muscle and in liver as glycogen.

Carbohydrates that are in the form of dietary does not cause weight gain in the presence of lipogenesis. It balances energy in an individual’s body as they are required in organs like- brain.  

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aed pads should be placed in the middle of the child's chest. this ensures that the electricity can properly run through the child's body and hopefully cause his/her heart to start again. hope this : )