CLASS 5 EVS CBSE NCERT KVS THIS CHAPTER IS ABOUT THE DIGESTION IN HUMAN BEINGS WITH DIFFERENT STAGES OF DIGESTION .

2. THE TASTE OF FOOD
1. Different food Items have different taste like
sweet, sour, salty and bitter.
2. Our tongue helps us to taste food
3. It has taste buds which help us taste the food
we eat.
4. We should eat should eat slowly and chew our
food properly.
5. This will help in proper digestion.
6. The sense of taste and smell are
interconnected.

3. Taste of different food items
sour
Bitter
Sweet

4. A fleshy organ in the mouth that
helps you taste food
Tiny bumps present on
the tongue – Taste
Buds.
The tongue has 4 taste zones
SWEET,SALTY,SOUR and BITTER

5. The SALIVA in the mouth helps to
digest the starch present in food.
Thus, digestion begins in the mouth.
Food goes from the mouth through
the food pipe into a muscular bag
called STOMACH. Proteins are
digested here.
From the stomach the food goes into
SMALL INTESTINE, where the
digestion ends.
The undigested food goes into the
LARGE INTESTINE and is given out
as waste from an opening called
ANUS.

6. WHAT IS A BALANCED DIET ?
A balanced diet must contain carbohydrate, protein, fat, vitamins,
mineral salts and fiber. It must contain these things in the correct
proportions.
1. Carbohydrates: these provide a source of energy.
2. Proteins: these provide a source of materials for growth and
repair.
3. Fats: these provide a source of energy and contain fat soluble
vitamins.
4. Vitamins: these are required in very small quantities to keep you
healthy.
5. Mineral Salts: these are required for healthy teeth, bones,
muscles etc..
6. Fiber: this is required to help your intestines function correctly;
it is not digested.

7. FOOD WE EAT

8. FATS AND PROTIENS

9. MINERAL SALTS

10. LIST THE FOOD ITEMS

11. OBSERVE THE FOOD PYRAMID AND
ANSWER

12. OBSERVE AND ANSWER

13. TEST YOURSELF
1. Lack of vitamin A causes ___
2. Lack of vitamin B causes ___
3. Lack of vitamin C causes ___
4. Lack of vitamin D causes ___
5. Name the diseases that are caused
by lack of Iron and Iodine.
6. Name 2 protective, fuel and growth
foods.

14. Food gives us energy
to do work and helps
us to grow.
So to stay healthy, it
is important to eat
proper food.

15. Work sheet
Write one word for
a. A fleshy organ in the mouth , that helps you to taste food _____________
b. The liquid in the mouth, that digests starch __________________
c. Tiny bumps present on the tongue __________________
d. The muscular bag in the body that churns food _________________
Label the food pipe,
stomach, small intestine,
large intestine and anus.

16. Work sheet
Write one word for
a. A fleshy organ in the mouth , that helps you to taste food _____________
b. The liquid in the mouth, that digests starch __________________
c. Tiny bumps present on the tongue __________________
d. The muscular bag in the body that churns food _________________
Label the food pipe,
stomach, small intestine,
large intestine and anus.