Health & Physical Education – CLASS-III – Unit 2.SENSE ORGANS

Introduction to Sense Organs

We have all heard about the five senses i.e., see, hear, smell, taste, and touch. To see we use our eyes, to hear we use our ears, to smell we use our nose, to taste we use our tongue, and we touch with the help of skin. So basically, human beings have five sense organs i.e., eyes, ears, nose, tongue, and skin.

1. Eyes (Sense of Sight)

We see with our eyes. Eyes are the organs of the visual system. Eyes provide vision and the sense of sight to human beings, animals, birds, fishes, etc.

2. Nose (Sense of Smell)

The organ for the sense of smell is the nose. Nose has nostrils, we breathe in through nostrils. However, human beings can also smell thousands of various odors and fragrances. The nose is also an organ which helps us in the sense of taste. For example, we can smell a gas leak.

3. Ears (Sense of Hearing)

The organ for the sense of hearing is ears. Hearing is the ability to perceive sound by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear.

4. Skin (Sense of Touch)

The organ for the sense of touch is skin. Skin is the largest organ as it is located throughout the human body. Various receptors are used for different situations like pain, temperature, pressure, etc. For example, when we touch something hot like a hot cup of tea or coffee, we instantly move our hands away from it.

5. Tongue (Sense of Taste)

The organ for the sense of taste is the tongue. The tongue has various taste buds which help us to differentiate among different tastes.

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