Page 132 - Biology Form Two
P. 132
(d) universal donor and universal been created in the bone marrow
recipient. and are ready to start your journey
through the human body. Your
16. What are the causes, symptoms,
and effects of the following mission is to deliver oxygen to
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disorders of the circulatory the body’s cells and bring back
system? carbon dioxide to be expelled.
(a) Leukaemia (a) Where will you go first?
(b) Hypertension Describe the route you will
(c) Stroke take to get to the lungs. What
(d) Sickle-cell anaemia structures (like the heart and
blood vessels) will you pass
17. Briefly describe the process of
blood circulation in human beings. through?
(b) Once you reach the lungs, what
18. How is oxygen transported in the
blood? happens? How do you pick up
oxygen, and what do you do
19. Describe the mechanisms by which with carbon dioxide?
the human body regulates blood
pressure during physical activity. (c) After delivering oxygen to
the body’s cells, how do you
20. Imagine you are a tiny red blood return to the heart? What
cell named “ X.” You have just happens next?
Student’s Book - Form Two
126
05/10/2024 15:36:42
BIOLOGY FORM 2 NEW.indd 126
BIOLOGY FORM 2 NEW.indd 126 05/10/2024 15:36:42
