Why smooth muscles are also called involuntary?
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Smooth muscles are known as involuntary because they cannot be controlled consciously.
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▶Smooth Muscles are called involuntary muscles because:-
[1] They never get fatigued.
[2] They contract tirelessly throughout life.
➧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...✊
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛
▶Smooth Muscles are called involuntary muscles because:-
[1] They never get fatigued.
[2] They contract tirelessly throughout life.
➧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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