What is the immune system?

pathogens

vitamins

hormones

nutrients

A) A type of medicine

B) Microscopic organisms that can cause disease

C) A kind of protein

D) A healthy cell

Viruses

Bacteria

Fungi

Parasites

All of the above

pathogens

nutrients

oxygen

hormones

cuts/scrapes

sunlight

vitamins

oxygen

protective barrier that keeps pathogens out

produces antibodies to destroy pathogens

stores nutrients for immune cells

directly attacks and engulfs bacteria

trap invaders as they enter the body

produce insulin for the body

help digest food in the stomach

control the body's movement

3-layer membrane that lines the organs/cavities in the body. Secretes mucus to trap invaders.

Produces red blood cells for the immune response.

Acts as a primary site for antibody production.

Stores excess nutrients for immune cells.

attack and eliminate pathogens

produce red blood cells

store genetic information

regulate body temperature

makes blood cells

produces digestive enzymes

stores calcium for muscles

filters waste from blood