Question

what helps in the movement of the body by contraction and relaxation?

Answer 1

Explanation:

Movements of the body are brought about by the harmonious contraction and relaxation of selected muscles. ... These are carried out by the skeletal muscles of the trunk and limbs. Skeletal muscles are attached to bones and produce movement at the joints.

Answer 2

Body motions are brought on by the harmonious contracting of chosen muscles and relaxation. The structural muscles of the spine and the limbs execute such. Skeletal muscles are connected to the limbs, and the joints create force.

Explanation:

• Muscles in the body are different fibers which contract and relax to create movement. Movements are caused by muscle contracture and relaxation. The other relaxes as one muscle contracts and this induces the displacement. The heart's movements are called unconscious bodies, because they don't function on the command.
• Body motions refer to the usage of muscles to transfer anatomical pieces in relation to the skeleton's heart or the bone-to-bone contact. Joints are integral components of body motions.

Learn more about body movements:

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