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प्रश्न
What does a neuron look like?
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उत्तर
- A neuron consists of a cell body with a nucleus and cytoplasm. It has two important extensions known as the axon and dendrites.
- An axon is a long, thread-like extension of nerve cells that transmits impulses away from the cell body. Dendrites, on the other hand, are thread-like extensions of cell body that receive nerve impulses.
- Thus, the axon transmits impulses away from the cell body, whereas the dendrite receives nerve impulses. This coordinated function helps in transmitting impulses very quickly.
संबंधित प्रश्न
Name the tissue present in the brain.
Put a tick (✓) against the most appropriate alternative in the following statement.
The fine branches given out from the cell body of a nerve cell are __________.
State whether the following statement is true or false.
A tissue is formed of only one type of cells.
State whether the following statement is True or False.
Only one type of tissue forms an organ.
State whether the following statement is True or False.
Permanent tissue is made up of undifferentiated and dividing Cells.
Write true or false of the statement. Rewrite the false statement correctly.
Short thread-like branches arising from the surface of the cyton are called axons.
Answer in detail.
What is the difference between an organ and an organ system?
Draw and label a neuron.
Name the kind of cells found in the following place:
Brain
Study the diagram given below and then answer the question that follows:
Identify the cell.
