Stimuli and Receptors + Nervous System

Question 1

what do receptors do?

Answer 1

they detect the stimulus and change it’s energy into nerve impulses - our sense organs are receptors, for example the eye converts light energy into nerve impulses

Question 2

what does the receptor detect in the eye?

Answer 2

light

Question 3

what does the receptor detect in the ear?

Answer 3

sound

Question 4

what does the receptor detect in the tongue?

Answer 4

chemical

Question 5

what does the receptor detect in the nose?

Answer 5

chemical

Question 6

what does the receptor detect in the skin (touch receptors)?

Answer 6

pressure

Question 7

what does the receptor detect in the skin (temperature receptors)?

Answer 7

heat

Question 8

what does the CNS (central nervous system) consist of?

Answer 8

it consists of the brain and the spinal cord - the CNS coordinates all of the nervous responses such as moving or reflexes

Question 9

what does the peripheral nervous system consist of?

Answer 9

the peripheral nervous system contains all of the other nerves which send impulses to all the effectors