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प्रश्न
Explain three major parts of the human brain.
उत्तर
- Human brain is divided into 3 major parts.
- Fore Brain – Cerebrum
The forebrain consists of cerebrum, thalamus, and hypothalamus.
a. It is the largest part of the brain.
b. It is the center of human memory.
c. It is responsible for intelligence, imagination, and reasoning. - Mid Brain – Cerebelluma.
a. It lies behind the cerebrum.
b. It co-ordinates the movements of the muscles of the body.
c. It helps to maintain the balance of the body. - Hind Brain – Medulla Oblongata.
a. The hindbrain comprises pons and medulla oblongata
b. It is also called the brain stem.
c. It controls breathing, heartbeat, and other involuntary muscles, so it is called the “Vital Knot”.
d. It connects the brain to the spinal cord.
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संबंधित 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?
The main function of Cerebrospinal fluid.
Differentiate between Corpus callosum and Corpus luteum (function)
Correct the following statements by changing the underlined words:
The cell sap of root hair is Hypotonic.
Put a tick mark (✓) against the correct alternative in the following statement:
Spinal cord is an extention of:
Name the following:
The fluid that is present inside and outside the brain.
State whether the following statement is true (T) or false (F).
The main component of the white matter of the brain is perikaryon.
Label the following diagram :
Where is this located?
Cerebellum
Choose the correct answer.
Outermost covering of the brain is ______.
Which nervous band connects the two cerebral hemispheres of the brain?
Forebrain is the centre of human memory.
Choose the odd one:
Which of the following statements are true about the brain?
- The main thinking part of brain is hind brain
- Centres of hearing, smell, memory, sight etc are located in fore brain.
- Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain
- Cerebellum does not control posture and balance of the body
Involuntary actions in the body are controlled by
The tract of nerve fibres connecting the two cerebral hemispheres is called ______.
Which part of the brain controls the posture of our body?
The white matter of cerebrum mainly consists of ______.
Name the following:
The central space of the brain.
