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Parts of the Nose

The nose contains two holes known as nostrils. The nostrils have tiny hairs. The

air we breathe is filtered through the nasal hair. It is warmed and moistened

before it enter our lungs.

The septum is the wall that separates the

nostrils and nasal passageways. Your septum cartilage
is made up of very tiny bone pieces that are

deep inside your nose, near your skull.

The septum, is made of cartilage, a flexible

material that is firmer than skin or muscle. It nostrils

is not as hard as bone, and if you press on the nasal air septum

tip of your nose, you can feel how slippery it is.

The nasal cavity is a place behind your nose, at the centre of your face. It joins

with the back of the throat. The palate (roof of your mouth) separates the nasal

cavity from the rest of your mouth. Think &
Answer How does the delicious aroma of your
Tongue mother’s cooking reach your nose?

We eat a variety of foods. The tongue provides us with the sense of taste. Tongue

is used for talking.

Structure of the tongue

The tongue is a muscular organ in the mouth that is covered with a moist, pink

tissue known as the mucosa. When we eat something, the tongue combines
saliva with the food. The saliva helps to breakdown the food and swallow it.

Our tongue has taste buds which detect different tastes of food. It can sense four
tastes: sweet, salty, sour, and bitter. The taste buds give

information to the brain, and the brain tells the flavour of

the food.
bitter
The salty and sweet taste buds are present near the front
sour
of your tongue. The sour taste buds are found on the sides
of our tongue, the bitter taste buds are found at the back of sweet

our tongue. salty

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