the difference between the three types of muscle fibres write the difference between them in connection with their structure location and function respectively
Answers
In the muscular system, muscle tissue is categorized into three distinct types: skeletal, cardiac, and smooth. Each type of muscle tissue in the human body has a unique structure and a specific role. Skeletal muscle moves bones and other structures. Cardiac muscle contracts the heart to pump blood.
The 3 types of muscle tissue are cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.
Skeletal Muscle.
Smooth Muscle.
Cardiac Muscle (heart muscle)
Smooth Muscle Examples
Walls of blood vessels.
Walls of stomach.
Ureters.
Intestines.
In the aorta (tunica media layer)
Iris of the eye.
Prostate.
Gastrointestinal Tract.
The muscle that makes up the heart is called cardiac muscle. It is also known as the myocardium (say: my-uh-KAR-dee-um). The thick muscles of the heart contract to pump blood out and then relax to let blood back in after it has circulated through the body.
Skeletal muscle tissue is found in our skeletal muscles; for example, the biceps. Cardiac muscle is found in our heart, and smooth muscle is found in our visceral, or hollow, organs - for example, blood vessels and intestines. ... Furthermore, all muscles contract in response to intracellular calcium.
Cardiac muscle (heart muscle) is one of the three major types of muscle, the others being skeletal and smooth muscle. It is an involuntary, striated muscle that is found in the walls of the heart.
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MUSCULAR TISSUE
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It consists of elongated cells, called muscle fibres. This tissue is responsible for the movement in our body. It contains special type of proteins called contractile proteins.
There are three types of muscular tissues :
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STRIATED MUSCLES : -
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STRUCRURE :
These are made up of long, cylindrical, unbranched and multinucleate cells.
These show alternate light and dark striations.
LOCATION :
These are located in limbs are mostly attached to bones.
FUNCTION :
These are called voluntary muscles as we can move them by conscious will. They help in body movement, e.g. muscles of limbs. Hence they are also called skeletal muscles.
UNSTRIATED MUSCLES : -
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STRUCRURE :
These muscles are made up of long uninucleate cells with pointed ends.
They do not show striations.
LOCATION :
They are mostly present in the walls of alimentary canal , blood vessels , ureters , bronchi of the lungs .
FUNCTION :
These muscles cannot be moved by our own will. Movement of food in alimentary canal and contraction and relaxation of blood vessels is caused by instructed muscles or smooth muscles.
CARDIAC MUSCLES : -
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STRUCTURE :
These muscles are cylindrical , branched and uninucleate.
These muscles show faint striations.
LOCATION :
These are only in the walls of heart.
FUNCTION :
These are involuntary muscles. They perform rhythmic contraction and relaxation throughout the life.
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