Page 32 - Science E-Book Nada Prim.3 2024-2025 1st term part 1 _Neat

I am the Skin

“Hi, I’m the skin. I’m the largest organ in your body.

I’m made up of 3 layers, some are seen & others are unseen.

I protect you from harmful germs & sunrays. I also keep your

body fluids inside & your body temperature constant.

You must take care of me to stay healthy by avoiding exposing

me too long to harmful sunrays, by covering up or by using

sunscreen.”

The skin:

1- Skin is the largest organ in human body weights 4 kilograms

2- Made up of 3 layers.

3- Skin color of your 2 hands is similar.

4- Skin keeps your body fluids (liquids) inside.

5- Skin keeps your body temperature constant.

6- Skin protects you from harmful germs & sunrays.

7- We use sunscreen to protect our skin from harmful sunrays.

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