1.

P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the message to CNS through nerves Q. On the other hand, R is part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S. (a) What is P ? Name give organs which contain cells (or group of cells ) like P. (b) Name the nerves Q. (c) What is R ? Give two examples of R. (d) Name nerves S. (e) How do messages travel through the nerves Q and S ?

Answer»

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

(a) What is P ? Name give organs which contain cells (or group of cells ) like P.

(b) Name the nerves Q.

(c) What is R ? Give two examples of R.

(d) Name nerves S.

(e) How do messages travel through the nerves Q and S ?



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