How will a punctured lung affect your ability to inspire?

a. air pressure is unable to increase, and lung volume cannot decrease
b. air pressure is unable to decrease, and lung volume cannot increase
c. air pressure is unable to increase, and lung volume cannot increase
d. air pressure is unable to decrease, and lung volume cannot decrease

which substance is responsible for increasing ventilation & dilation of your respiratory tract?

a. epinephrine
b. acetylcholine
c. alveolar sacs
d. surfactant

which digestive chemical triggers the liver to release bile into the digestive system?

a. gastrin
b. secretin
c. acetylcholine
d. adrenaline