Biology, asked by khushi674, 1 year ago

・what is a striated muscle?
・what is a smooth muscle?
・what is a cardiac muscle?

Answers

Answered by Anonymous
3
•Striated Muscle: They are under the control of our will. They are made of long fibres which are nucleated and striated- light and dark bands ruin across the fibres. Found in the arms, legs, face, neck etc.
•Smooth Muscle: not under our control. Made up of spindle shaped tapering cells which are uninucleated. Found in the walls of the intestine helping in the passage of food, lining of blood vessels etc.
•Cardiac Muscle: Involuntary In function and found only in the walls off the heart. Relatively short.
Answered by Anonymous
3
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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.

_________               Thanks...✊
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