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SAI ANGAN
Class -3 Science

Name: Sec: Date:
Respiratory System

Q1. Complete the definition and function of the respiratory organs:

Air enters the ___________. The tiny hairs called
_____________ prevents dust and germs from

entering the lungs.

The __________________ is a hollow tube

that connect to the _______________.

We have a pair our _______________. It takes
____________ from air and circulates in the
body and throws out ___________________.

Q2. Solve the crossword puzzle:

1.
N
2. G N

4.

T A A
3.

R
5. E L

N

6.
N H L
O

1. Tiny hairs inside nose.
D
E