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प्रश्न
Diagrammatically, show the difference between the three types of muscle fibres.
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उत्तर
- Striated muscles: These muscles are long and without branches. We can move these muscles as per our wishes, or we can stop their movement. These muscles are usually present in our hands and legs. They are directly connected to the skeleton.
- Unlined muscles: These muscles are long but their ends are pointed. Unlined muscles control those activities which we cannot control ourselves. These muscles are found in our eyelids, ureters, etc. These are found in the walls of our internal organs.
- Cardiac muscles: Cardiac muscles are small and flat-ended. They keep expanding and contracting throughout life. They are also called involuntary muscles. They are found in our heart and are found in the walls of the heart.
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संबंधित प्रश्न
Define the following term:
Organ
Fill in the blank
................. muscles help in the movement of limbs.
Write true or false of the statement. Rewrite the false statement correctly.
Cardiac muscles are involuntary muscles.
Name the three kinds of muscles found in the human body. In each case, name one region in the body where they are found.
Write 'True or False' for the following statement:
Fibroblast cells are phagocytic in nature.
Contractile proteins are found in
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Fluid connective tissue | (i) | Subcutaneous layer |
| (b) | Filling of space inside the organs | (ii) | Cartilage |
| (c) | Striated muscle | (iii) | Skeletal muscle |
| (d) | Adipose tissue | (iv) | Areolar tissue |
| (e) | Surface of joints | (v) | Blood |
| (f) | Stratified squamous epithelium | (vi) | Skin |
Cork cells possesses ______ on their walls that makes it impervious to gases and water.
Non-striated muscles are found in ______.
The movement of food in the alimentary canal is because by cardiac muscles.
