Describe the role of sensory organs and identify the types of stimuli each organ receives.

Humans do have 5 sensory organs namely eyes ears nose tongue and skin. Each of them do have different stimuli to receive from environment.

Most of the sensory organs house in the head of human beings. Functions of each of them are discussed below:

A. The eyes house in the cranium orbit and are two in number which senses the visible spectrum of electromagnetic waves also called as light rays. The retina in the eyes sense it and sends the information via the optic nerve.

B. The ears house on lateral sides of head which sense the audible range sound waves. The organ of Corti senses the sound vibrations and sends them to brain via auditory nerve.

C. The nose house on the midline of head on the anterior surface which senses the smell and sends via nerves.

D. Tongue houses in the buccal cavity which senses the taste of food and sends via different nerves to brain.

E. Skin is located all over the body and it senses different stimuli like pressure, temperature, pain etc and sends to brain via different sensory nerves.

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