1- \"Slipped disk\" refers to when an intervertebral disk slips or shifts out of

Question

1- "Slipped disk" refers to when an intervertebral disk slips or shifts out of place. True or False explain.

2- what is the smallest structural unit of bone tissue?

3- which of the following structures is not found in the central canal that travels along the center of the osteon? A- synovial fluid. B- nerves. C- arteries. D- veins Explain.

4- in which of the following bones are you likely to find yellow bone marrow? A- humerus ( upper arm bone) b- femur ( thigh bone) C- rib cage. D- skull. E- vertebral column Explain

5- if you force muscle to exert 75% of their maximal strength will result in the production of more muscle fibers. True or false explain

6- when a muscle is relaxed, the myosin heads are A- covered by actin b- completely exposed c- covered by myosin heads d- covered by the troponin- tropomyosin complex explain

7- muscle contraction involves the compression of the myosin filament. True or false explain

8- when we swim, what layer of the epidermis protects our bodies from absorbing the water? A- stratum lucidum b- stratum corneum d- stratum spinosum e- stratum basale Explain

Explanation / Answer

1) True.- A cartilaginous disk slips in between the vertebrae and presses on a nerve thus causing pain.

2) Smallest structural unit of bone is osteon.

3) Synovial fluid.

It is only present in the synovial joints to reduce friction.

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