Question

The digestive system depends on the respiratory system. Which is the most likely connection between the two body systems?

A.
The muscles of the digestive tract need the oxygen carried by the respiratory system.

B.
The muscles of the digestive tract need the carbon dioxide carried by the respiratory system.

C.
The oxygen carried by the respiratory system needs the acid created by the digestive system.

D.
The muscles of the digestive tract need the oxygen and carbon dioxide carried by the respiratory system.

Answer 1

Answer:

A number cells of the digestive tract need the oxygen carried by the respiratory system

Answer 2

Answer:

(a) The muscles of the digestive tract need the oxygen carried by the respiratory system

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