Inquiry into Life 14th Edition by Sylvia Mader,Michael Windelspecht

Exercise 15

Choose the best answer for each question.
Which of these statements correctly goes with expiration rather than inspiration?
A) Rib cage moves up and out.
B) Diaphragm relaxes and moves up.
C) Pressure in lungs decreases, and air comes rushing out.
D) Diaphragm contracts and lowers.