Q48. How does movement occur in the human body?

 

Q49. Differentiate between bone and cartilage.

 

Q50. What do you mean by ‘streamlined’ shape?

 

Q51. What makes snakes to move fast on the ground?

 

Q52. What is rib cage? What is the role of rib cage in our body?

 

Q53. Why muscles work in pairs to move a bone?

 

Q54. How does earthworm move through the soil?

 

Q55. What modifications in the body of the birds help them to fly?

 

Q56. How does fish move in water?

 


Last modified: Wednesday, 2 January 2019, 8:22 PM