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Class 4 Science Chapter 1 Test 4

Welcome to your Class 4 Science Chapter 1 Test 4

1. 
Our heat pumps with the help of __________.
2. 
_______ of our body weight is due to muscles
3. 
The muscles are _________.
4. 
When one muscle contracts, the other one _________.
5. 
Stomach is the _________ part of digestive track.
6. 
_________ controls the functions of our body.
7. 
__________ works continuously like a pump throughout the life.
8. 
_____________ move food through digestive system.
9. 
_________ is present within our skill.
10. 
Due to __________, our lungs expand and contract.
11. 
When muscles contract, bone moves at the _________.
12. 
______ help to move hands, arm, feet and legs.
13. 
____________ is surrounded by the ribs.
14. 
__________ collects information from different parts of our body and decides what type of response our body should give.
15. 
When we smile ______ muscles are needed.