Animals Nervous System
Animals Nervous System: Overview
This topic covers concepts, such as, Control and Coordination, Nervous System, Vertebral Column & Cell Body of a Neuron etc.
Important Questions on Animals Nervous System
Assertion: Corpus callosum is present in space between the dura mater and pia mater.
Reason: It serves to maintain the constant intracranial pressure.
Identify the correct functions of a nerve cell.
The neuromuscular junction is made up of the dendrite of a motor neuron and a muscle fibre.
Free nerve endings are most abundant in
What is free nerve ending? What is its function in the skin?
In neurons, nucleus is located in the cell body.
Explain the function of nervous tissue.
Fill in the blank with the correct answer given in the bracket.
Nervous tissue sends the motor nerve impulses to _____ for action. (brain, spinal cord, muscles)
Nervous tissue cannot give a response.
Which of the following terms is/ are associated with the brain?
Which of the following is/ are example(s) of innate reflex action?
Dendrites receive information from other cells and transmit it to the cell body. Axons, on the other hand, conduct messages away from the cell body. The intercommunication junction between the axon terminal of one neuron and the dendrite of another neuron is called 'A'. The nerve impulse is transmitted across 'A' by a special chemical called 'B'.
What does 'B' stand for?
What are the main functions of the spinal cord?
Motor neurons conduct impulses from sensory organs to the brain and the spinal cord.
The motor nerves deliver the stimuli
Throwing ball and writing are involuntary actions.
The longest branch arising from the cyton of a neuron is called
Match the following:
| Column A | Column B |
| 1. Dendron | a. Controlled by the medulla oblongata |
| 2. Vertebral column | b. Carry impulses to effector organs |
| 3. Impulses | c. Irregular folds on outer surface |
| 4. Effector organs | d. Nerve |
| 5. Bundles of axons | e. Fatty white substance covering an axon |
| 6. Swallowing | f. Distributes nutrients to the brain |
| 7. Motor nerves | g. Glands and muscles |
| 8. Myelin sheath | h. Has many branches |
| 9. Cerebrum | i.Messages encoded as electrical signals |
| 10. Cerebrospinal fluid | j. Protects the spinal cord. |
Explain in brief.
What constitutes the peripheral nervous system ? What are its functions ?
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