directly caused by a pathogen; can be transmitted from person to person

created the first vacine

The first vaccine was to prevent which disease?

This person ended an epidemic of cholera by tracing the source of sickness to a water pump.

This person realized that bacteria from outside the body causes disease. So, he creates a process to heat food to a temperature that kills it.

The person used carbolic acid to kill bacteria in operating rooms.

This person created a set of rules to determine whether bacteria caused an illness.

This can cause disease

This is a type of illness that can be transmitted from person to person.

This is a disease-carrying organism that does not develop the disease.

A disease that cannot pass from person to person

What is a common cause of noninfectious disease?

The body has how many lines of defense against pathogens?

What is the best way to keep yourself healthy?

Which body system creates a barrier, keeping dirt and germs from entering the body?

Which is a first-line defense against disease?

Which is a second-line defense against disease?

What is a third-line defense against illness?

The body produces antibodies in response to an antigen:

The introduction of antibodies the were produced outside the body: