Question

Distinguish between :
1. Bones and muscles.
2. Ball-and-socket joint and hinge joint.
3. Voluntary muscles and involuntary muscles.​

Answer 1

Answer:

1 . Bones shape our body and help us to stand up straight. Muscles are attached to bones; they help us walk and run and smile. All the bones in our body make up our skeleton – from the top of our skull to the tips of the phalanges at the end of our toes. Muscles stretch across our bones and are attached with tendons.

2. Ball-and-Socket joints are the most mobile of all synovial joints. They allow the bone with the ball head to be moved freely in all planes, Whereas hinge joints allow restricted movements in one plane only. They are capable of bearing heavy loads.

3. However, certain muscle movements happen without you thinking about them. Muscles that are under your conscious control are called voluntary muscles. Muscles that are not under your conscious control are called involuntary muscles. ... Skeletal muscles move the body.

Explanation:

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