Biology
Briefly describe the structure of the cerebrum in human brain and mention its functions.
Answer
Cerebrum is the largest portion of the brain. It is divided into two halves called the right and left cerebral hemispheres. Each hemisphere is internally hollow. The outer surface of the hemispheres is folded with ridges and grooves which increase the surface of the brain so as to accommodate a large number of neurons.
The cerebrum has following functions:
- Intelligence
- Consciousness
- Will power
- Memory
Related Questions
Distinguish between the following pairs on the basis of the words indicated in the brackets [].
Motor and Mixed nerves. [Kind of neurons]
Draw a neat and labelled diagram of a nerve cell.
Given alongside is the figure of a median section of an organ. Study the same and answer the following questions :
- Name the organ and write its location in our body.
- Label the guidelines 1 to 4.
- Write one important function of hypothalamus.
- Which of the structures from 1 to 4 is considered as the master gland of the body ?
- Mention the basic structural unit of the organ shown in the figure and the organ system to which it belongs.
A part of our nervous system is shown alongside. Study the same and answer the following questions :
- Identify the figure and name it.
- Define the structure shown.
- Label the part shown as X.
- Write the name of the protective, tubular covering of the structure shown.
- Mention the names of the three kinds of the structure that is shown in the figure.