Question

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Answer 1

Answer:

Question No. 3

1. Answer : Is An Immovable Joint.
2. Answer : Have Fins On The Body.
3. Answer : Protect The Heart.
4. Answer : Shows Very Slow Movement.
5. Answer : Can Fly In The Air.

Hope It Helps U.

Explanation:

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Answer 2

Answer:

(a) Joints of bones help in the movement of body.

(b) A combination of bones and cartilages forms the skeleton of the body.

(c) Bones at the elbow are joined by a hinge joint.

(d) The contraction of the muscle pulls the bones during movement.

(2) True / False

1. False 2. False. 3 False. 4 . true. 5. true

(3) match the following

Column I Column Il

Upper jaw is an immovable joint

Fishes have a streamlined body; have fins on the body

Ribs. protect the heart

Snail shows very slow movement

Cockroach. has an outer skeleton; can fly in the air