Q6
Write the type of joint which is used for each of the following movements:
(a) A cricket bowler bowls the ball.
(b) A girl moves her head in right and left direction.
(c) A person lifts weights to build up his biceps.
Q7
Birds like emu and ostrich have lots of feathers. Still cannot fly. Why?
Name any two parts of our body whose movement is not under our control.
Q8
09
Identify the animals by observing the images of their skeleton.
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Answer:
1 ball and socket joint
2 pivot joint
3hinge joint
1 because they are heavy and body structure is not for flying
2heart beat and eye lid
where are the animals
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