Question

Digestion refers to the A. progressive dehydration of indigestible residue. B. mechanical breakdown of food. C. release of water, acids, enzymes and buffers by organs. D. mechanical and chemical breakdown of food.

Answer 1

Answer:

d is the correct answer

Explanation:

Answer 2

Answer:

$\huge\boxed{\sf Option \ D}$

Explanation:

Digestion is:

• mechanical breakdown. (movement of muscles for catabolism)
• chemical breakdown. (Use of enzymes so that the food can be made smaller)

So, Digestion is both mechanical and chemical breakdown of food.

$\rule[225]{225}{2}$