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Answers
Explanation:
1)Food does not taste good when we have a cold because When we're sick, our noses are often blocked with mucus. Also, the tissues inside our nose can become swollen and inflamed. This prevents us from smelling properly. Because your sense of smell is so tied to your sense of taste, if you can't smell things properly, you won't be able to taste them properly, either.
2) Eyelid is a thin layer of skin that covers and protects the eye and helps to "open" the eye either voluntarily or involuntarily. Eyelashes prevent the entry of dust particles in the eyes and protects eyes from water etc
3)reflex action is an involuntary, immediate and quick response to a stimulus without the involvement of brain.It involves only spinal cord.
4)Brain sends messages from motor neurons to sensory neurons via spinal cord
5) sense organs are the organs which help us to perceive stimulus such as light,heat ,taste and touch.
Following are the sense organs and their functions:
Eye: helps us to perceive light and see things around
Skin: helps us to sense touch, pressure and heat
Nose: helps us to smell
Tongue: helps us to taste
ears: helps to hear sounds.