Page 52 - General_Knowledge_3

29 Unit 8 : Science and Technology

Understanding My Body

Tick (3) the correct option:

1. Your heart beats to pump:

(a) blood (b) air

2. They carry oxygen around the body:

(a) red blood cells (b) white blood cells

3. The colour of skin is decided by a pigment called:

(a) cholesterol (b) melanin

4. The smallest bone in the body is found in the:
Name any one body
(a) nose (b) ear part and also write
the name of the
5. Antibiotics do not work against: doctor who treats it.

(a) virus (b) bacteria
Example: Skin –
6. The hardest substance in the human body is: Dermatologist

(a) cuticle (b) enamel

7. The biggest muscle is in the:

(a) thigh (b) hip

8. The strongest bone is called:

(a) femur (b) tongue

9. The kidneys clean:

(a) air (b) blood

10. The rib cage protects the:

(a) brain (b) lungs

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