health Flashcards
also known as infectious disease
communicable disease
caused by organisms or viruses that
enter and multiply within the
human body.
communicable disease or infectious disease
organisms that can be seen
only through a microscope.
microorganisms
Microorganisms and viruses that cause disease are called
pathogens
can cause an infectious disease when they enter your body and multiply.
pathogens
are simple, single-celled
microorganisms. Bacteria live in air,
soil, food, and in
bacteria
Some bacteria injure cells by giving off poisons called
toxins
live in air, soil, food, and in and on the bodies of plants and animals, including you.
bacteria
smallest pathogens
viruses
can multiply only after
entering a living cell.
virus
Organisms such as yeasts,
molds, and mushrooms are
known as
fungi
Fungi grow best in
warm, dark, moist areas
Single-celled organisms that
are much larger and more
complex than bacteria are
known as
protozoans
have the ability to
move through fluids in search
of food.
protozoans
non infectious diseases
non communicable diseases