Glacial valleys show up many linear depositional forms. Give their
locations and names.
Which type of movement would have been possible if
(a) our elbow had a fixed joint.
(b) we were to have a ball and socket joint between our neck
and head
Bones are hard structures and cannot be bent. But, we can still bend our elbow, knee, etc. How is this possible?
Underground flow of water is more common than surface run-off in
limestone areas. Why?
Boojho fell off a tree and hurt his ankle. On examination the doctor confirmed that the ankle was fractured. How was it detected?
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
Provide one word answers to the statements given below.
1. Joint which allows movement in all directions.
2. Hard structure that forms the skeleton.
3. Part of the body with a fixed joint.
4. Help in the movement of body by contraction and
relaxation.
5. Bones that join with chest bone at one end and to the
backbone at the other end.
6. Framework of bones which gives shape to our body.
7. Bones which enclose the organs of our body that lie below
the abdomen.
8. Joint where our neck joins the head.
9. Part of the skeleton that forms the earlobe.
What do incised meanders in rocks and meanders in plains of alluvium
indicate?
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