C. Digestion of food
The answer is C because the rest of the answer choices are all physical reactions. In your stomach, food is chemically broken down by different substances.
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Answer:
1. lungs
2. skin
3. large intestine
Explanation:
lungs inhale oxygen
skin is on the outside of the body
the large intestine processes your food into feces
Nearsightedness is the answer.
Its a thing used in photosynthesis <span />