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1. what is the function of ✓ gas exchange in the lungs and maintain pH in
the respiratory system the blood
2. what happens to the ✓ the diaphragm muscle contracts and moves
diaphragm during downwards which decreases the pressure in
pulmonary ventilation the lungs
3. respiration begins with ✓ pulmonary ventilation, the process of moving
air in and out of the lungs
4. The right lung has how ✓ 3 lobes
many lobes?
5. what is the interaction ✓ the hearts pulmonary system send blood low
between the in O2 to the lungs where it picks up O2 and
cardiovascular and drops off CO2
respiratory system (capillaries of the circulatory system interact
with the alveoli of lungs)
6. In the respiratory system ✓ the distance between the blood cells and the
, the rate of diffusion alveoli is decreased
increases when
7. What is the site of gas ✓ alveoli
exchange?
8. What is asthma? ✓ airways of the lungs that become compressed
due to mucus build up
caused by a dysfunctional immune response
9. What is tidal volume? ✓ amount of air inhaled and exhaled during a
normal breathing cycle.
10. How many chambers ✓ 4 (2 atria, 2 ventricles)
does the heart have?
11. Veins carry ____ blood ✓ deoxygenated
to the heart
12. Arteries carry ✓ oxygenated, away from
__________ blood ____
the heart
13. What are capillaries? ✓ Smallest blood vessels
connect arteries and veins
14. what happens in systole ✓ contraction of heart "Lub"
atrioventricular valves close
blood is pumped into the arteries
15. what happens during ✓ the heart is relaxed, semilunar valves are
diastole closed and blood from atria fills ventricles; low