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प्रश्न
Answer the following.
Complete the table.
| Location | Cell Type | Function |
| PNS | ___________ | Produce myelin sheath |
| PNS | Satellite cells | _____________ |
| ___________ | Oligodendrocytes | Form myelin sheath around central axon |
| CNS | ___________ | Phagocytose pathogens |
| CNS | ___________ | Form the epithelial lining of brain cavities and central canal. |
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उत्तर
| Location | Cell Type | Function |
| PNS | Schwann cells | Produce myelin sheath |
| PNS | Satellite cells | Support the function of neurons |
|
CNS |
Oligodendrocytes | Form myelin sheath around the central axon |
| CNS | Microglia or brain macrophages | Phagocytose pathogens |
| CNS | Ependymal cells | Form the epithelial lining of brain cavities and central canal. |
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संबंधित प्रश्न
The nervous system of mammals uses both electrical and chemical means to send signals via neurons. Which part of the neuron receives impulse?
Receptors for protein hormones are located ________.
Match the organism with the type of nervous system found in them.
| 1. Neurons | a. Earthworm |
| 2. Ladder-type | b. Hydra |
| 3. Ganglion | c. Flatworm |
| 4. Nerve net | d. Human |
Short answer question
List the properties of the nerve fibres.
Long answer question
Draw the neat labelled diagram of Multipolar Neuron.
Answer the following question.
Identify and name the type of tissue in the following:
Nerve cord
Answer the following question.
Supriya stepped out into the bright street from a cinema theatre. In response, her eye pupil shrunk. Identify the muscle responsible for the same.
Complete the following table.
| Cell/Tissue/Muscles | Functions | |
| 1. | Cardiac muscles | ______ |
| 2. | ______ | Connect skeletal muscles to bones. |
| 3. | Chondroblast cells | ______ |
| 4. | ______ | Secrete heparin and histamine |
A motor nerve carries impulses from ______
Covering of bundle of nerves is ______.
