Question

which of the following substances are absorbed by the walls of the small intestine into the bloodstream after digestion.
1. water and digested food only.
2. carbon dioxide and water only.
3. water and undigested food only.
4. Oxygen and carbon dioxide only.​

Answer 1

Answer:

the answer is:

1. water and digested food only.

Explanation:

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Answer 2

Answer:

3. water and undigested food only