Wash your hands!How many times each day do you hear those words?
Of course, it’s important to wash your hands regularly to stay
healthy and clean. Washing your hands gets rid of germs that can
cause you to get sick. But can germs also be good? You bet they
can! Read on to learn more about germs and how they can be both
bad and good. If you’re wondering exactly what germs are, don’t
worry. They’re not alien forces or “cooties.” They’re actually
tiny living organisms. They’re so small, in fact, that you need
a microscope to see them. Germs can creep into our bodies in
many different ways without being noticed. Although some can
cause sicknesses and infections, such as sore throats, ear
infections and cavities, others are helpful to our bodies.
That’s right. Some actually are helpful! The four main types of
germs are bacteria, viruses, fungi and protozoa. In today’s
Wonder, we’ll concentrate on bacteria. You might be surprised to
know that your body contains over 100 trillion bacterial cells.
That’s 10 times the