Class 4 Science Chapter 1 Test 4 Updated: 11 Jun 2022 421 Welcome to your Class 4 Science Chapter 1 Test 4 1. Human bones are attached and covered by _______. Mouth Hair Muscles None of these 2. Stomach is present on the ___________ side below the heart. Left Right Both sides No one of these 3. Heart circulates blood over the body through blood _______ Bones Vessels Lungs Brain 4. __________ collects information from different parts of our body and decides what type of response our body should give. Lungs Stomach Heart Brain 5. Our heat pumps with the help of __________. Ribs Skull Muscles None of these 6. When we smile ______ muscles are needed. 12 13 14 15 7. ____________ is surrounded by the ribs. Heart Skull Brain None of these 8. __________ is a place where bones are connected Joint Leg Ribs Skull 9. There are _______ muscles in a human body. 300 400 500 600 10. The _________ of the heart contract and relax. Bone Vein Muscles None of these 11. __________ works continuously like a pump throughout the life. Lungs Brain Stomach Heart 12. Due to __________, our lungs expand and contract. Ribs Skull Muscles None of these 13. When one muscle contracts, the other one _________. Also contract Relaxes Both a & b None of these 14. _________ controls the functions of our body. Lungs Stomach Heart Brain 15. Stomach secretes _______ juice. Observing Hungry Digestive All of these Please fill in the comment box below. Time's up
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