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प्रश्न
What are the main organs of the human nervous system? Draw a labelled diagram to show the main organs of the human nervous system.
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उत्तर
The main organs of the human nervous system are the brain, the spinal cord and the nerves.
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संबंधित प्रश्न
State the different types of neurons.
What is the function of receptors in our body?
What is the need for a system of control and coordination in an organism?
The number of pairs of nerves which arises from the spinal cord is:
The spinal cord originates from:
Multiple choice question. Tick (✓) the correct choice:
Pinna is a part of
- inner ear
- external ear
- middle ear
- tongue
Match the terms of column I with those of column ll
| Column l | Column ll |
| (i) Lens | (a) Adjustment of light rays |
| (ii) Lachrymal gland | (b) Vision |
| (iii) Olfactory epithelium | (c) Secretion of tear |
| (iv) Cochlea | (d) Balance of the body |
| (v) Semicircular canal | (e) Hearing |
| (vi) Eyes | (f) Smell |
Distinguish between the following pair of words:
Nervous system and hormonal system
Explain the Term: Reflex action
Complete the following sentence with appropriate word :
A bundle of axons enclosed in a tubular sheath is called _________.
Long answer question
Krishna was going to school and on the way, he saw a major bus accident. His heartbeat increased and hands and feet become cold. Name the part of the nervous system that had a role to play in this reaction.
The human nervous system is divided into ______ parts.
Hypothalamus is the thermoregulatory centre of the human body.
What are masses of grey matter located in white matter in the cerebral hemisphere?
What are the parts of the brain stem?
Identify the motor nerves.
Identify the sensory cranial nerves ____________.
“Nervous and hormonal systems together perform the function of control and coordination in human beings.” Justify the statement.
Think of situations where receptors do not work properly. What problems are likely to arise?
