Question

HELP??? WILL GIVE MEDAL!!!

Which of the following statements are TRUE? (choose 2)

a) As you breathe in the pressure in the lungs increases

b) As you breathe out the diaphragm and intercostal muscles relax decreasing the pressure in the chest cavity

c) As you breathe out, increased pressure in the thoracic cavity causes air to leave the lungs

d) As you breathe out, air that passes through the respiratory tract is cooled and dried

Answer 1

a and b are true

Answer 2

thank you.