This chapter is preserved for students using earlier NCERT editions and for historical reference. It is not presented as a current chapter.
Use this Class 6 Science chapter hub to study Body Movements from one place. SaralStudy currently provides 1 visible NCERT solution entry on this page.
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(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.
(a) False
It is false because locomotion means movement or displacement of entire body whereas movement is the displacement of entire body or its parts.
(b) False
It is false statement because cartilage is harder but not as bone.
(c) False
No, this statement is wrong because due to the presence of joints, our fingers can move.
(d) True
Yes, it is so because as we know that our forearm has two bones: ulna and radius.
(e) True
Yes, this statement is correct because as we know that cockroaches have outer skeleton that is made up of number of plates which helps in movement.
Column I Column II
Upper jaw It is an immovable joint Fish Have fins, have a streamlined body Ribs Protects heart Snail Show very slow movement Cockroach Have an outer skeleton and can fly in air
Upper jaw is the skull bone. Lower jaw bone (Mandible) is the only one skull bone which is movable. Fishes have fins, have streamlined body so that they can easily swim in the water. Ribs are very hard and they protect the heart from the injuries or protects other delicate organs inside the chest. Snail shows very slow movement because movement is done by the muscular feet. Cockroaches have outer skeleton, can fly in air. This outer skeleton is made up of number of plates which helps them in the movement.
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