Page 160 - Biology Form Two
P. 160
Biology for Secondary Schools
Section B 11. Explain the importance of gas
8. Describe the causes, signs, exchange in human beings.
symptoms, prevention, and 12. Explain the main characteristics
control methods of the following of respiratory surfaces.
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diseases:
(a) asthma; 13. How do different environmental
conditions, such as altitude or
(b) lung cancer; pollution, affect the efficiency
(c) pneumonia; and of gas exchange in the lungs?
(d) coronavirus disease 2019
(COVID-19) 14. In what ways do you think the
structure of alveoli contributes to
9. How does the structure of alveoli their function in gas exchange?
maximize gas exchange? 15. What might happen to a living
10. Differentiate between organism if its gas exchange
system is compromised, and
(a) gas exchange and respiration. how could this affect its overall
health?
(b) inhalation and exhalation.
16. What are some factors you think
(c) aerobic respiration and might affect how fast or slow we
anaerobic respiration. breathe when running, resting, or
being in a hot room?
154 Student’s Book - Form Two
05/10/2024 15:36:47
BIOLOGY FORM 2 NEW.indd 154
BIOLOGY FORM 2 NEW.indd 154 05/10/2024 15:36:47

