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प्रश्न
The diagram given below is an external view of the human brain. Study the same and answer the questions that follow :
(i) Name the parts labelled A, B and C in the diagram.
(ii) State the main functions of the parts labelled A and B.
(iii) What are the structural and functional units of the brain? How are the parts of these units arranged in A and C?
(iv) Mention the collective term for the membranes covering the brain.
(v) What is the function of Cerebrospinal fluid?
उत्तर
(i) A – Cerebrum, B – Cerebellum, C – Medulla oblongata
(ii)
- A (Cerebrum) – It is the site of intelligence, memory and consciousness.
- B (Cerebellum) – Coordinates muscular activity and hence helps in balancing the body.
(iii) Neurons are the structural and functional units of the brain.
- In A (Cerebrum), the outer portion contains cell bodies and the inner portion contains the axons of the neurons.
- In C (Medulla oblongata), the outer portion contains axons and the inner portion contains the cell bodies of the neurons.
(iv) Meningitis
(v) Cerebrospinal fluid acts as a cushion and protects the brain from mechanical shocks.
APPEARS IN
संबंधित प्रश्न
The main function of Cerebrospinal fluid.
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
Mainitaining balance of the body and coordinating muscular activities is carried out by the cerebrum.
Choose the correct answer :
In mammals the corpus callosum connects __________
State the Function:
Cerebellum
Which nervous band connects the two cerebral hemispheres of the brain?
Which of the following statements are true about the brain?
(i) The main thinking part of the brain is the hindbrain.
(ii) Centres of hearing, smell, memory, sight, etc. are located in the forebrain.
(iii) Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hindbrain.
(iv) Cerebellum does not control posture and balance of the body.
Choose the odd one:
The brain is covered by a three-layered tissue covering called ______.
Which part of the brain controls the posture of our body?
Given below is a set of four terms. Choose the odd one and write the category of the remaining terms:
