Page 42 - Active Science 5 Ebook and Activity

The Tongue
The tongue is the organ of taste. It is found

on the floor of the mouth. We can taste, chew or
speak with the tongue. Bitter Tongue Care
Avoid spicy foods
Sour
Sour
There are different taste buds for salty, sour, and very hot
sweet and bitter tastes. These buds have nerve Salty Salty drinks.
endings which carry the message to the brain to Sweet

help us taste various food items.
Tongue

Activity 3.5

Wash your hands properly. Now move your finger on your tongue. The surface will be rough
because of the presence of taste buds. What do you feel?

The Skin

The skin is the organ of touch and feel. The skin is the largest organ in our body. It
protects the internal organs of the body. It detects sensation like pressure, pain, heat
and cold.

The skin consists of three layers:
epidermis, dermis and hypodermis.

The maintainence of body temperature, protection and healing of wounds are some
important functions provided by the skin.
Hair

Factual Study Epidermis
• Butterflies can taste with
their feet as they have taste
Dermis
buds situated in their feet.
• The brain of the adult human Hypodermis
weighs about 1.3 to 1.4 kg.

Structure of Skin
Let’s Recapitulate

Label the given diagram of an eye. Factual Study
We use 200 muscles
to walk. That is how

walking keeps us active.

42 Active Science-5