explain step by step
STRAITED MUSCULAR
SMOOTH MUSCULAR
CARDIAC MUSCULAR
CLASS 9 CBSE PLZ TELL FAST
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Striated muscle:
Muscle tissue in which the contractile fibrils in the cells are aligned in parallel bundles, so that their different regions form stripes visible in a microscope. Muscles of this type are attached to the skeleton by tendons and are under voluntary control. Also called skeletal muscle.
Smooth Muscle:
muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control.
Cardiac Muscle:
Cardiac muscle (also called heart muscleor myocardium) is one of the three major types of muscle, the others being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart.
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Striated muscle:
Muscle tissue in which the contractile fibrils in the cells are aligned in parallel bundles, so that their different regions form stripes visible in a microscope. Muscles of this type are attached to the skeleton by tendons and are under voluntary control. Also called skeletal muscle.
Smooth Muscle:
muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control.
Cardiac Muscle:
Cardiac muscle (also called heart muscleor myocardium) is one of the three major types of muscle, the others being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart.
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SKELETAL MUSCLES:::
SKELETAL MUSCLES are attached to and cover the bony skeleton .
>>>>>>>skeletal muscle fibers are multinucleated ,the longest muscle cells having obvious stripes called strained muscles and are under voluntary control.they can contract rapidly but get tired easily and must rest after short period of activity , or fatigue.
>>>>>>skeletal muscles are remarkably adoptable . For example :: hand muscles can exert a force of a fraction of an ounce to pick up a dropped paper clip and the same muscle can exert a force of many pounds to pick heavy loadslike a bucket full of water .
>>>>>>>Skeletal muscles are primarily involved in locomotary actions and changes body postures.
CARDIAC MUSCLES:
CARDIAC MUSCLES occur in the heart where they constitute the bulk of the heart walls. cardiac muscles cells are arranged in a characteristic branching pattern .
>>>>like skeletal muscle cells , cardiac muscles cells are straited ,but are involuntary and have single nucleus.
>>>>>cardiac muscles usually contract at a fairly steady rate set by the heart's pacemaker.
>>>>>Rhythmic contraction of cardiac muscles in atria and ventricles of the heart pump blood throughout the body.
SMOOTH MUSCLES::
SMOOTH MUSCLES are found in the walls of hollow visceral organs , such as the stomach ,urinary bladder, respiratory passages,and blood vessels .smooth muscle cells are spindle shaped. >>>>they have one centrally placed nucleus per cell.
>>>>they have no striations, and are not subjected to voluntary control.
SKELETAL MUSCLES:::
SKELETAL MUSCLES are attached to and cover the bony skeleton .
>>>>>>>skeletal muscle fibers are multinucleated ,the longest muscle cells having obvious stripes called strained muscles and are under voluntary control.they can contract rapidly but get tired easily and must rest after short period of activity , or fatigue.
>>>>>>skeletal muscles are remarkably adoptable . For example :: hand muscles can exert a force of a fraction of an ounce to pick up a dropped paper clip and the same muscle can exert a force of many pounds to pick heavy loadslike a bucket full of water .
>>>>>>>Skeletal muscles are primarily involved in locomotary actions and changes body postures.
CARDIAC MUSCLES:
CARDIAC MUSCLES occur in the heart where they constitute the bulk of the heart walls. cardiac muscles cells are arranged in a characteristic branching pattern .
>>>>like skeletal muscle cells , cardiac muscles cells are straited ,but are involuntary and have single nucleus.
>>>>>cardiac muscles usually contract at a fairly steady rate set by the heart's pacemaker.
>>>>>Rhythmic contraction of cardiac muscles in atria and ventricles of the heart pump blood throughout the body.
SMOOTH MUSCLES::
SMOOTH MUSCLES are found in the walls of hollow visceral organs , such as the stomach ,urinary bladder, respiratory passages,and blood vessels .smooth muscle cells are spindle shaped. >>>>they have one centrally placed nucleus per cell.
>>>>they have no striations, and are not subjected to voluntary control.
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