The most widely used illegal drug in the U.S. is marijuana.
Indicate whether the statement is true or false
Question 2
What occurs during the inbreath stage of breathing?
a. The diaphragm contracts, resulting in an increase in the volume of the chest cavity and a decrease in the air pressure in the lungs.
b. The diaphragm relaxes, resulting in an increase in the volume of the chest cavity and a decrease in the air pressure in the lungs.
c. The diaphragm contracts, resulting in a decrease in the volume of the chest cavity and a decrease in the air pressure in the lungs.
d. The diaphragm relaxes, resulting in a decrease in the volume of the chest cavity and an increase in the air pressure in the lungs.
e. The diaphragm contracts, resulting in an increase in the volume of the chest cavity and an increase in the air pressure in the lungs.
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