Human Body Worksheet-3

Human body

1. A group of tissues that perform a specific function is known as:

A. Organ            B. Muscle          C. Bone

2. Digested food is absorbed by:

A. Blood             B. Stomach       C. Small intestine

3. Our stomach expands when food enters and contracts when it goes out. This is possible because our stomach is made of:

A. Muscles         B. Cartilage       C. Ligaments

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4. Which of the following system receive messages from the sense organs and send orders to different part of the body?

A. Nervous system

B. Excretory system

C. Circulatory system

5. It protects the brain. It consist of bones which are fused together to form a shell-like structure. Identify the part of the body.

A. Spine             B. Ribcage         C. Skull

6. An organ shown in the given picture belongs to ___ system.

A. Respiratory  B. Circulatory   C. Nervous

7. Which of these are excretory organs?

A. Kidney

B. Lungs

C. Heart

D. Stomach

E. Brain

8. Which of the following organs help us in smelling the things?

A. Nose               B. Eyes               C. Ears

9. Which of the following organ/s is/are located in our chest?

A. Liver              B. Kidneys         C. Heart

10. How many kidneys does a human have?

A. 1                      B. 3                     C. 2

11. What is the main function of hair inside our nose?

A. It does not allow air to enter our lungs

B. It does not allow dust particles to enter our lungs

C. None of these

12. Match the following according to the what the functions are:

Answer Keys:

(1)–A; (2)–A; (3)–A; (4)–A; (5)–C; (6)–B; (7)–(A, B); (8)–A; (9)–C; (10)–C; (11)–B; (12)–(1-c, 2-d, 3-a, 4-b)