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प्रश्न
Give structure, types and functions in brief of the following:
Muscular tissue
उत्तर
Muscular tissue:
Structure - Muscle tissue consists of cells which are elongated and large-sized, hence they are also called muscle fibres. These fibres are of various sizes. Contractile proteins are present in the muscle cells which bring about their contraction and relaxation. The cytoplasm of muscle fibre is called sarcoplasm and is bounded by a membrane called sarcolemma.
Types: Muscle tissue is of three types:
(i) Striated muscle tissue
(ii) Unstriated muscle tissue
(iii) Cardiac muscle tissue
Functions -
(i) Muscles bring about all voluntary movements done by a person.
(ii) All the involuntary movements needed to keep the body alive are possible due to muscles.
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संबंधित प्रश्न
Name the tissue responsible for movement in our body.
What is the specific function of the cardiac muscle?
Write true or false of the statement. Rewrite the false statement correctly.
Cardiac muscles are involuntary muscles.
Distinguish between the following pairs in one or two sentences
(E) striated and unstriated muscles
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Striated muscles are also called involuntary muscles.
Differentiate between cells of Fibres of voluntary muscle and cardiac muscle
Distinguish between smooth muscles and skeletal muscles.
Smooth muscles occur in ______.
Contractile proteins are found in
Cells of cork contain a chemical called ______
