Chemistry, 20.02.2021 01:00, amandamelton1

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 ! :)

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How does the respiratory system aid the digestive system a. the lungs take in oxygen to aid in food...