If you don’t brush your teeth, what do you do to keep your teeth healthy?
At least after breakfast in the morning and before you go to sleep in the evening.
Bad! When bacteria in bits of food left on your teeth eat sugar they produce acid, and you get holes in your teeth.
Good! Make your teeth stronger.
Bad! As bad as sugar.
No, but it is nice and can make your teeth stronger.
Rub a drop of clove oil, peppermint oil or sea salt on the sore area.
No, you need a microscope. An ant is 1.000 times bigger than a bacteria and a bacteria is 1.000 times bigger than a virus.
To avoid getting viruses and harmful bacteria into your body through your mouth, nose, eyes and bruises.
By division.
They are parasites on human cells inside our body.
Some are and many are most useful, for instance for our digestion.
Yes.
Normally from seconds to minutes.
Virus causes the flu and you get it from other people f.i. when they sneeze
Bacteria causes tuberculosis and you get it from other people who suffer from tuberculosis f.i. when they sneeze.
Bacteria or virus causes earache.
Antibiotics can defeat bacteria, but not virus. Your immune system can normally defeat both bacteria and virus.
She gets infected when she bites a person who is infected.
When the infected mosquito bites a human.
Normally between sunset and sunrise.
By using mosquito net, by putting screens on your windowes, by garbage removal around your house, by filling up holes around your house that contains still water and by agreeing with your neighbours to do the same.
Children less than 5 years old, mothers rights after giving birth and others with a weak immune system.
They make sure that oxygen from the air gets into our blood and that carbon dioxide gets from the blood to the air. Without these functions we could not live.
Smoking tobacco gives us a high (quicker hearth beat, quicker breathing, happy-feeling).
Smoking tobacco is addictive and gives us a higher risk of lung cancer, asthma, hearth disease, stroke, cancer of the mouth, larynx, bladder, kidney a.o.