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Flagellar movement helps in the maintenance of water current in the canal system of sponges.
True
What is the function of ciliated epithelium?
What is the main function of microfilaments in amoeboid movement?
Microfilaments are involved in the streaming of protoplasm in amoeboid movement.
What type of movement is involved in the movement of our limbs, jaws, tongue, etc.?
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Pseudopodia are formed by the ____________ of protoplasm.
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Cilia are the outgrowths of the cell membrane.
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What is the function of cilia in the trachea?
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Macrophages and leucocytes are examples of specialised cells that exhibit ____________ movement.
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What is the function of muscular movement?
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Match the following types of movement with their descriptions:
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Study Notes
Types of Movement
- There are three main types of movements in the human body: Amoeboid, Ciliary, and Flagellar.
Amoeboid Movement
- Occurs in unicellular organisms like Amoeba and some specialized cells like macrophages and leucocytes.
- Characterized by the streaming of protoplasm, which forms pseudopodia.
- Involves cytoskeletal elements like microfilaments.
Ciliary Movement
- Occurs in cells with cilia, which are outgrowths of the cell membrane.
- Found in ciliated epithelium, which lines internal tubular organs like the trachea and fallopian tubes.
- Coordinated ciliary movements help remove dust particles and foreign substances from the trachea and facilitate the passage of ova through the female reproductive tract.
- Ciliated epithelium is also present in the inner surface of hollow organs like bronchioles and fallopian tubes, and its function is to move particles or mucus in a specific direction.
Flagellar Movement
- Occurs in cells with flagella, which are also outgrowths of the cell membrane.
- Helps in the swimming of spermatozoa and maintenance of water current in the canal system of sponges.
- Also involved in the locomotion of Protozoans like Euglena.
Muscular Movement
- Required for movement of our limbs, jaws, tongue, etc.
- Utilizes the contractile property of muscles for locomotion.
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Description
Learn about the three main types of cell movement: amoeboid, ciliary, and flagellar. Understand how cells like Amoeba and specialized cells like macrophages and leucocytes exhibit these movements.
