BODY MOVEMENTS

BODY MOVEMENTS

BY: Sonal Qudras

CARTILAGE

• •Beside the bones and joints some additional parts of the skeleton that are not as hard as the bones and which can be bent. These are called cartilage.

• Cartilage is also found in the joints of the body.

Movements of bones

• Bones never move by themselves.

• Muscles are like elastic bands that are attached to the bones with the help of tough connecting bands called tendons.

• The muscle help the bones to move.

• Muscles cannot push.

  
  

Multiple Choice

Muscles cannot push.

• True

• False

Movement in an earthworm

• An earthworm has a long tube-like body.

• The body of an earthworm is made-up of many rings joined end to end.

• An earthworm does not have bones.

• It has muscles which help to extend and shorten the body.

  
  

Multiple Choice

Earthworm has bones.

• True

• False

Multiple Choice

How many pair of legs cockroach have?

• 3 Pairs

• 2 Pairs

• 4 Pairs

Movement in fishes

• The head and tail of the fish are smaller than the middle portion of the body-the body tapers at both ends.

• During swimming, muscles make the front part of the body curve to one side and the tail part swings towards the opposite side.

  
  

• The skeleton of the fish is covered with strong muscles.

Movement in snakes

• Snakes do not have limbs (legs, arms or wings).

• Most of the snakes move in a wave-like manner. 

• The wave-like motion pushes the body forward by pressing against the ground.

  
  

• They have scales, which cover their bodies and help them to crawl.

Open Ended

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