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Class 4 Science Chapter 1 Test 3

Welcome to your Class 4 Science Chapter 1 Test 3

1. 
The function of bones of leg is to help in _____

2. 
When we inhale air, the lungs _______

3. 
All the bones are united with one another at the joints forming a frame called ________.

4. 
The function of skull is to protect __________

5. 
There are __________ bones in the human skeleton.

6. 
The bones of our arm and legs are __________.

7. 
Lungs are surrounded by _______

8. 
Tiger has large ____________

9. 
Tiger uses its ________ for piercing the prey.

10. 
Premolar and molar teeth are used for:

11. 
__________ are used for piercing and tearing food.

12. 
Bone marrow helps to produce ______

13. 
Rat uses its _________ for biting food or killing prey.

14. 
During breathing air enters in our _______

15. 
During breathing air enters in our lungs through______