B1 SB introduction to 7 and 7a

If you drink carbonated mineral water, your stomach breaks ... food more easily.

Low - ... diet can help you lose weight.

Drink ... of liquids

If you have vaccination you will be less likely to ... the flu.

Fish oil... can boost your immune system.

foods that are considered as beneficial

process of breaking down food

eat fast and impolitely

immediately

a small tube that carries blood