Structure of skin
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Mineral | Source | Function |
1. Iron | | Carrying oxygen to all parts of the body |
2. Calcium, phosphorous | Milk, milk products, meat | |
3. Iodine | | Controls growth, speeds up chemical reactions in the body. |
4. Sodium and potassium | Salt, leafy vegetables, fruits, pulses | |
Vitamins | Source | Function |
1. A | | Protects eyes, helps to keep skin, bones and teeth healthy. |
2. | Milk, fish, cereals | Helps in proper function of nerves and heart. |
3. B9 | Deep green vegetables, papaya, kiwi | |
4. | Meat, milk products | Formation of red blood cells |
5. C | | Protects body tissues |
6. D | On exposure to sunlight, Vitamin D is made in our body | |
7. E | Green leafy vegetables, vegetable oil | |
8. F | | Helps in clotting of blood |



Nutrients | Source | Function |
1. Carbohydrates | Rice, chapatti | |
2. Fats | | Provide energy |
3. Proteins | Sprouts, meat, eggs | |
4. Vitamins | Vegetables, fruits | |
5. Fibre | | Help in excretion |


Across:
3. A ………. pulls iron nails towards itself.
4. ……….. force is used when farm is ploughed with a tractor.
5. It is due to the force of ………… that raindrops fall to the ground.