Question

explain the different type of muscular tissue​

Answer 1

Answer:

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.

• Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscles, with the other two being skeletal and smooth muscles. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart

• Smooth muscle is an involuntary non-striated muscle. It is divided into two subgroups; the single-unit (unitary) and multiunit smooth muscle. Within single-unit cells, the whole bundle or sheet contracts as a syncytium.

• Skeletal muscle is one of three major muscle types, the others being cardiac muscle and smooth muscle. It is a form of striated muscle tissue which is under the voluntary control of the somatic nervous system. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.

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Answer 2

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Explanation:

Smooth Muscle Tissue

• These are non-striated, involuntary muscles controlled by the Autonomous Nervous System.
• It stimulates the contractility of the digestive, urinary, reproductive systems, blood vessels, and airways.
• The actin and myosin filaments are very thin and arranged randomly, hence no striations.
• The cells are spindle-shaped with a single nucleus.

Skeletal Muscle Tissue

• These muscles are attached to the skeleton and help in its movement.
• These muscles are also known as striated muscles because of the presence of alternate patterns of light and dark bands.
• These light and dark bands are sarcomeres which are highly organized structures of actin, myosin, and proteins. These add to the contractility and extensibility of the muscles.
• Skeletal muscles are voluntary muscles composed of muscle fibers.
• 40% of our body mass comprises skeletal muscles.
• Each skeletal tissue contains myofibrils.
• The cells of these tissues are multinucleated.
• These are provided with blood vessels and many elongated mitochondria and glycogen granules.
• They bring about the movement of the organs of the body.

Cardiac Muscle Tissue

• These are found only in the heart.
• These are involuntary muscles and the heart pumps the blood through cardiac contractions.
• The cells of the cardiac muscles known as the cardiomyocytes are striated.
• They are single-celled and uninucleated.
• The ends of the cells are joined and the junctions are called intercalated discs. The cells are attached to each other by desmosomes.