Did you know that, right now, about 75% of your body is made up of a chemical compound called dihydrogen monoxide.1___. Water is essential to human life because it does so much for our bodies. On the inside, it’s responsible for lots of processes, from transporting nutrients and oxygen to regulating temperature and blood pressure. On the outside, we can help cool off our skin on a hot day. 2. You need to drink between 2 and 3 litres of water a day to stay healthy.3. Never wait until you are thirsty to get a drink; by the time you start to feel like you need some water, you are already dehydrated. 4. So drinking enough water will help you feel healthy inside and out.
Drinking water can help you lose weight, too, because it increases the body’s metabolism.
Metabolism is a series of chemical reactions that happen in the cells of our body. 5. A fast metabolism burns more calories than a slow metabolism, so if you are trying to lose weight, make sure you drink plenty of water.
6. Water is especially important for the brain because the cells of the brain are so complex. 7. So, if you are having trouble paying attention in class, maybe all you need is a glass of water.
8. When you do not drink enough water, your mouth gets dry. 9. However , when you drink plenty of water, your mouth produces lots of saliva. Saliva is what keeps mouth clean and healthy. 10 .
L. Bring down swelling from an injury or soothe a nasty burn by taking a bath in cold water.
M. This is the way in which the body converts food into energy.
N. This can cause cavities and decay in your teeth.
O. So if you drink your water and let everyone enjoy your beautiful white smile.
P. Other signs of dehydration include dry skin, a dry mouth and feeling tired.
Q. Here are a few examples of the way metabolism happens in the human body.
R. It is not a dangerous chemical though, it’s just H2O –plain water.
S. Around 80% of your brain is made up of water.
T. Not drinking enough water can make it hard to concentrate.
U. That’s because we lose water through our skin when it evaporates and through waste which cleans our bodies of dangerous toxins.
V. Last but not least, let’s not forget what water does for your smile.
The story tells us about a man and a lion who became best friends. One day a man, Androcles, tried to escape because he was a slave. In the forest into which he came, he found a hurt lion, whom he soon helped. Later they became friends and the lion even began to provide the man with food. After a while they were caught and taken to Rome, where they were given almost no food. The lion was offered to eat Androcles, which he did not, and the man managed to tell their story to The Emperor. Eventually they were released and given plenty of food.
1. Look at these children: they are skating very well.
2. Did you skate last Sunday? - Yes, we were skating the whole day last Sunday.
3. My brother can skate very well. He skates every Sunday.
4. What are you doing now? - I am washing the dishes.
5. What were you doing at three o'clock yesterday? — I was having dinner.
6. Are you having dinner now?
7. Where does your brother work? — He works at an institute.
8. Was your grandmother sleeping when you came home yesterday?
9. What will your brother do tomorrow?
10. I didn't go to the shop yesterday. I will go to the shop tomorrow.