Class 4 EVS Chapter 3 Teeth and Tongue @worldofworksheetswow8570




Introduction

Our mouth is a busy place! Every day, it helps us enjoy our favorite foods, speak clearly, and stay healthy. Two important parts of our mouth that help with all these tasks are our teeth and tongue. In this article, we'll learn more about them, their roles, and how we should take care of them.

Teeth: The Food Chewers

Teeth are hard, white structures in our mouth that help us bite, chew, and grind our food into smaller pieces. This is an important step in digestion because it makes it easier for our stomach to digest the food. There are four types of teeth, each with a specific function:

  1. Incisors: These are the sharp, flat teeth at the front of the mouth. We have four incisors on the top and four on the bottom. They are used for cutting food.

  2. Canines: Next to the incisors are the pointed canines. We have four canines, two on the top and two on the bottom. They help us tear food.

  3. Premolars: Located next to the canines, premolars are flat and wide. There are eight premolars in total, and they help crush and grind food.

  4. Molars: These are the largest teeth at the back of the mouth. There are twelve molars, including four wisdom teeth. Molars have a broad surface, which helps in grinding food into smaller pieces.

Taking Care of Teeth

Our teeth need care to stay healthy. Here are some tips to keep them strong:

  • Brush twice a day: Brushing removes food particles and bacteria.
  • Floss daily: It helps clean between the teeth where a brush can't reach.
  • Avoid too many sugary snacks: Sugar can cause cavities.
  • Visit the dentist regularly: Regular check-ups ensure your teeth are in good shape.

Tongue: The Taste Master

The tongue is a soft, muscular organ that helps us taste food, swallow, and speak. It is covered with tiny bumps called taste buds, which help us taste different flavors like sweet, sour, salty, and bitter.

  • Taste Zones: The tongue has different areas that can taste different flavors. The tip of the tongue tastes sweet, the sides taste sour and salty, and the back of the tongue tastes bitter.
  • Helps in Chewing and Swallowing: The tongue moves food around the mouth, helping to mix it with saliva, which makes it easier to swallow.

Taking Care of the Tongue

Just like our teeth, the tongue also needs care:

  • Clean your tongue while brushing: This removes bacteria and keeps your mouth fresh.
  • Drink plenty of water: It keeps the tongue moist and helps with tasting food properly.

Conclusion

Teeth and tongue are essential for eating, tasting, and speaking. Taking care of them is crucial for a healthy life. Always remember to brush, floss, and keep your tongue clean to maintain a happy and healthy mouth!

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