Question

How does the respiratory system aid the digestive system

a. the lungs take in oxygen to aid in food digestion

b.the lungs take in carbon dioxide to aid in food digestion

c. the expand the diaphragm, which helps to push the stomach during digestion

d. the lungs contract the diaphragm, which helps to push the stomach during digestion

PLEASE HELP ASAP ! :)

Answer 1

the answer is a

hope this helps

Answer 2

The respiratory and digestive systems work together to power the body. A properly functioning respiratory system delivers adequate oxygen to the blood. Because the digestive system breaks down food and uses muscular contractions to move food through the digestive tract, it needs oxygen to function properly.

Step-by-step explanation:

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