
The somatic sensory neuron conducts nerve impulses from the central nervous system to the skeletal muscle.

Important Questions on Interaction

All information about our environment is detected by specialised tips of some nerve cells.
Mention the name given to such tips, whether these are receptors or effectors.


P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
Name the nerve S. (Sensory nerves/Motor nerves/Afferent nerves)







P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
Name the nerves Q.

Fill in the blank with the correct option provided in the bracket.
The neuron which carries messages for action to a muscle or gland is known as a_____(sensory, interneuron, motor) neuron.


The human body contains many cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.
The cells A (nerve cells) are of three types. Name the three types.






Fill in the blank with the correct option provided in the bracket.
A neuron which carries an impulse to the brain is called a _____ (interneuron, sensory, motor) neuron.

