Study Guide ReviewStudy Guide Review

Part 2. Short AnswerPart 2. Short Answer

1. Where are O2 and CO2 exchanged in the lungs?1. Where are O2 and CO2 exchanged in the lungs? 2. What passes through the pharynx?2. What passes through the pharynx? 3. The breathing process is controlled by what 3. The breathing process is controlled by what

muscle?muscle? 4. Which respiratory disease can be caused by 4. Which respiratory disease can be caused by

smoking?smoking? 5. How many alveoli are in both lungs?5. How many alveoli are in both lungs? 6. What keeps dirt and mucous out of the lungs?6. What keeps dirt and mucous out of the lungs?

Alveoli

Air, O2

Diaphragm

Emphysema

600 million

Cilia

Part 3. Fill in the blankPart 3. Fill in the blank

7. The ________ is the protective layer around the 7. The ________ is the protective layer around the lungs.lungs.

8. ________ is the waste product you breathe out.8. ________ is the waste product you breathe out. 9. When you exhale your diaphragm ________ and 9. When you exhale your diaphragm ________ and

_________._________. 10. To breathe out means to ________.10. To breathe out means to ________. 11. O2 passes into your blood through the _______.11. O2 passes into your blood through the _______. 12. When you inhale your diaphragm _______ and 12. When you inhale your diaphragm _______ and

_________. _________.

CO2

exhale

alveoli

pleura

relaxes

Moves up

contracts

Flattens out

Part 4.Part 4.

Inhale:Inhale:a.a. InhaleInhaleb.b. Nose traps germs and airNose traps germs and airc.c. Air moves down the tracheaAir moves down the trachead.d. Air moves through the bronchi into bronchiolesAir moves through the bronchi into bronchiolese.e. Alveoli receives O2 to pass to the bloodAlveoli receives O2 to pass to the bloodf.f. Oxygen passes into the bloodOxygen passes into the bloodg.g. Oxygen rich blood flows to the heartOxygen rich blood flows to the hearth.h. Heart pumps O2 rich blood to the bodyHeart pumps O2 rich blood to the body

Exhale:Exhale:a. Blood picks up CO2 from the bodya. Blood picks up CO2 from the bodyb. Heart pumps CO2 rich blood to the lungsb. Heart pumps CO2 rich blood to the lungsc. Alveoli receives CO2 from the bloodc. Alveoli receives CO2 from the bloodd. CO2 moves from bronchioles to bronchid. CO2 moves from bronchioles to bronchie. CO2 flows up tracheae. CO2 flows up tracheaf. CO2 flows out the nose and mouthf. CO2 flows out the nose and mouthg. Exhaleg. Exhale

13. Excess mucous in the body.13. Excess mucous in the body. 14. Spasms can cause wheezing.14. Spasms can cause wheezing. 15. Inflammation of mucous membrane lining the 15. Inflammation of mucous membrane lining the

bronchial tubes.bronchial tubes. 16. Hereditary Disease.16. Hereditary Disease. 17. Can be prevented by not smoking.17. Can be prevented by not smoking. 18. Can be triggered by airborne substances, food, 18. Can be triggered by airborne substances, food,

bacteria and viruses.bacteria and viruses. 19. Inflammation of the air sacs in the lungs.19. Inflammation of the air sacs in the lungs. 20. Lungs become unable to fully deflate during 20. Lungs become unable to fully deflate during

exhaling.exhaling.

Cystic Fibrosis

Asthma

BronchitisCystic Fibrosis

Emphysema

AsthmaPneumonia

Emphysema