Please answer ALL QUESTIONS
Question 9- What is a greater factor in determining breath holdtime?
oxygen levels or CO2 levels
Question 14: How can kidneys increase the pH in your blood?
a. excrete CO2
b.excrete H+ ions
c. xcrete HCO3- ions
d. Increase O2
Question 18: what is the next smallest tube after bronchioles inthe lungs?
question 22:What cell in the lungs secretes alveolar fluid andsurfactant?
a.type 2 cells
b. alveolar macrophages
c.type 1 cells
