1. The breathing of air into and out of the lungs is called:
A cellular respiration
B internal respiration
C external respiration |
2. The waste products of respiration are:
A carbon dioxide only
B oxygen and carbon monoxide
C carbon dioxide and water |
3. The medical name for the voicebox is the:
A larynx
B bronchiole
C epiglottis |
4. The medical name for the windpipe is the:
A trachea
B bronchus
C diaphragm |
5. The area at the back of the mouth where both food and air pass is the:
A pharynx
B nostril
C bronchi |
6. How many bronchi are there?
A two
B one
C many |
7. The small hairs which trap dust and smoke in the respiratory tract are:
A cilia
B mucus
C villi |
8. The large round muscle at the base of the chest is the:
A intercostal muscle
B abdominal muscle
C diaphragm |
9. Breathing is stimulated when there is:
Atoo little oxygen in the blood
Btoo much carbon dioxide in the blood
Ctoo much oxygen in the blood |
10. The red pigment in red blood cells that can carries oxygen and carbon dioxide is:
Aimmunoglobulin
Bchlorophyll
Chaemoglobin |
11. The part of the brain that regulates breathing is the:
Acerebellum
Bcerebrum
Cforebrain |
12. The respiratory organs from the nose to the alveoli are:
Anose, pharynx, larynx, trachea, bronchus, bronchiole, alveolus
Bnose, windpipe, vocal cords, epiglottis, bronchus, lung, alveolus
Cnose, lung, trachea, bronchiole, bronchus, alveolus |
13. The flap that closes over the top of the windpipe is the:
Alarynx
Bepiglottis
Ctrachea |
14. What organs are common to both the respiratory and digestive tracts?
Anose and mouth
Bpharynx and larynx
Cmouth and pharynx |
15. The process for air to enter the bloodstream from the lungs is:
Aactive transport
Bosmosis
Cdiffusion |