a painful place on the body
sore
an illness of the body of the humans or animals, not infection
disease
a very small thing that causes disease in people or animals
virus
to change food in your stomach so that it can be used by your body
digest
microscopic organisms not visible to the eye
bacteria
medicines that are used for curing infections
antibiotics
the smallest part of a human body
cell
system in your body that protects you from diseases
immune system
illness that is caused by bacteria
infection
to keep safe
protect
a change in your body that is a sign of illness
symptom
to give medicine to make a sick person well again
treat