Digestion refers to the

A) progressive dehydration of indigestible residue.
B) mechanical breakdown of food.
C) chemical breakdown of food.
D) mechanical and chemical breakdown of food.
E) release of water, acids, enzymes and buffers by organs.


D

Anatomy & Physiology

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When Na+ channels open, what happens to the Na+ ions?

What will be an ideal response?

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Which of the following lists all of the events that occur with respiration?

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Anatomy & Physiology