What happens during inhalation? a. the diaphragm and the rib cage return to their normal resting positions. b. the diaphragm contracts and moves down while the rib cage moves up and out. c. the diaphragm expands and moves up while the rib cage moves up and out. d. the diaphragm contracts and moves down while the rib cage moves down and in.

I don´t know is all is on k-12 but the correct awnser on k-12 is The diaphragm pushes up and the ribs move in and down.

Explanation:

I took the test

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.