Class 6 Science - Chapter Body Movements NCERT Solutions | Fill in the blanks: (a) Joints of the b
Fill in the blanks:
(a) Joints of the bones help in the ——————— of the body.
(b) A combination of bones and cartilages forms the _______ of the body.
(c) The bones at the elbow are joined by a ______________________ joint.
(d) The contraction of the _____________ pulls the bones during movement.
(a) Movement
It is so because, two bones are connected together with the help of joints. They helps in the movement of the body.
(b) Skeleton
Bones and cartilage are combine to form a skeleton of the body.
(c) Hinge joint
Hinge joints are those joints which moves only in one direction.
(d) Muscles
When the movement occurs, muscles pull and contraction occurs.
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(b) The cartilages are harder than bones. ( )
(c) The finger bones do not have joints. ( )
(d) The fore arm has two bones. ( )
(e) Cockroaches have an outer skeleton. ( ) - Q:-
Match the items in Column I with one or more items of Column II.
Column I Column II
Upper jaw have fins on the body
Fish has an outer skeleton
Ribs can fly in the air
Snail is an immovable joint
Cockroach protect the heart
shows very slow movement
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(b) Which of the skull bones are movable?
(c) Why can our elbow not move backwards?
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