Our Body Worksheet-5

Our Body Worksheet-5

Multiple-Choice Question:

1. The inhaled air goes down the ________ and reaches the _____.

A. Windpipe, lungs

B. Heart, stomach

C. Mouth, anus

2. Exhaled air is impure as it has more of a gas called _____.

A. Carbon dioxide

B. Oxygen

3. When the air reaches the lungs, the lungs _______.

A. Expand (become big)

B. Contract (become small)

4. The _______ has messengers called ________ that send instructions to muscles, bones, and other body parts.

A. Brain, nerves

B. Stomach, acids

C. Intestines, bones

5. The ______ cord connects all parts of the body to the brain.

A. Spinal            B. Skull              C. Bone

6. Which of the following organ pumps blood to various organs of our body?

A. Heart             B. Stomach       C. Windpipe

7. What does blood carry?

A. Blood vessels

B. Nerves

C. Organs

8. What is heart made up of?

A. Muscles         B. Bones

9. Which of the following system helps in producing young ones?

A. Reproductive

B. Excretory

C. Circulatory

10. ________ is an ancient Indian form of exercise.

A. Yoga               B. Hopping

Answer Key:

1. A
2. A
3. A
4. A
5. A
6. A
7. A
8. A
9. A
10. A