Some bones and joints form __ that increase the speed and distance of movement by a muscle.

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Solution

Some bones and joints form levers that increase the speed and distance of movement by a muscle.

For example, Construction of only a few centimeters by a biceps muscle swings the hand swiftly through an arc of more than a movement.

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Similar questions

Statement 1: Bones can move themselves

Statement 2: Bones need muscles and joints for movement

Fill in the blanks:

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

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

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

	Characteristics	Examples
(A)	Lymph filled between two bones, limited movement	Gliding joint between carpals
(B)	Fluid cartilage between two bones, limited movements	Knee joints
(C)	Fluid filled between two joints provides cushion	Skull bones
(D)	Fluid filled synovial cavity between two bones	Joint between atlas and axis

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