Question

One feature of striated muscles

Answer 1

During voluntary contractions, a striated muscle is extended by the action of an antagonistic muscle. All striated muscles are attached to some component of the skeleton, unlike smooth muscle which comprises hollow organs such as the intestines or blood vessels

Answer 2

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➧Types 0f Muscular Tissue are:-▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃⤵

❶❫ Striated Muscles:-▬▬▬▬▬▬▬▬▬▬▬☟

◉ Also known as Skeletal Muscles.

◉ It attached to bone in Limbs.

◉ Types of control is voluntary.

◉ It forms bundles.

◉ No. of nuclei is Multinucleate.

◉ Nerve supply is from central nervous system.

◉ Speed of contraction is most rapid.

❱ Its Functions are:-════════════════☟

①❭ They are responsible for locomotion.

②❭ It control the breathing movement.

③❭ This muscles are also help in in digestion of food.

④❭ They are also help in blinking of Eyes.

❷❫ Non-Striated Muscles:-▬▬▬▬▬▬▬▬▬▬▬▬☟

◉ Also known as Smooth Muscles.

◉ It attached in the walls of stomach, intestine & blood vessels.

◉ Types of control is involuntary.

◉ It forms sheet or sphincter.

◉ No. of nuclei is uninucleate.

◉ Nervous supply is from autonomic nervous system.

◉ Speed of contraction is slowest.

❱ Its Functions are:-════════════════☟

①❭ Muscles of iris & ciliary body of eye control amount of light to enter the eye.

②❭ Ciliary muscles body are responsible for accommodation of lens.

③❭ Sphincter bring about 0pening & closing of anal aperture, tubes & cavities.

④❭ They relax & contract the walls of arteries, ducts & uterus.

❸❫ Cardiac Muscles:-▬▬▬▬▬▬▬▬▬▬▬☟

◉ Also known as Heart Muscles.

◉ It attached in the walls of hearts.

◉ Types of control is Involuntary.

◉ It forms a network.

◉ No. of nuclei is Uninucleate.

◉ Nerve supply is from autonomic nervous system.

❱ Its Functions are:-════════════════☟

①❭ They helps in pulsating movement of heart chamber.

②❭ They pump blood from heart into the blood vessels.

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