BIO QUIZ 4 part 2

Question 1

What does the diaphragm do to initiate inhalation?

Answer 1

contracts and moves downward increasing the volume/space in the thoracic cavity.Lowers pressure

Question 2

What does the diaphragm do to initiate exhalation?

Answer 2

relax or passive. Goes back to it’s place to decrease the space in the abdomen