People often use the word embryo, not ...

People often use the word fetus, and microbes, so you may think that germs

all bad. But some of them are good for us. Yeast cells are useful for bakers and brewers. Yeast cells can change sugar into carbon dioxide and

alcohol. This is useful for bakers because strattera dosage gas helps >> << grain growing, and it is useful to brewers because it adds alcohol needed for their drinks. Bacteria are also useful for us. For example, some bacteria cause changes needed

in milk to make yogurt and cheese with it. Many microbes can cause disease. For example, here are some diseases caused by fungi:

TB, tuberculosis (lungs)

flu, flu

rubella, rubella

Microbes cause disease when they are able to reproduce in the body . They produce harmful >> << substance called

toxins and damage tissues and organs. We say that someone who has a harmful germs

they are infected. .