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11. Human Body and Organ System
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Q6 of 23 Page 82

Explain the differences.

External and internal respiration.


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5

Answer the following questions in your own words.

Explain the importance and need of blood donation.

6

Explain the differences.

Arteries and veins.

7

Which health parameters of blood donor should be checked?

8

Fill in the blanks using appropriate words given in the bracket. (Haemoglobin, alkaline, diaphragm, red bone marrow, acidic, voluntary, involuntary,)

a. RBCs of the blood contain ----------, an iron compound.


b. ---------- is present between thoracic and abdominal cavity.


c. Cardiac muscles are ----------.


d. pH of oxygenated blood is ----------.


e. Production of RBCs occurs in ----------.

Questions · 23
11. Human Body and Organ System
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