The body's ability to protect itself from disease
Immunity
The largest organ in the body
skin
vaccine
Fluid that surrounds all cells
tissue fluid
A body temperature of 100.4 or higher
fever
The system that defends against germs and disease
immune system
The oily substance produced by oil glands
sebum
Y-shaped proteins that help develop immunity
antibodies
large bunches of lymphatic tissue located throughout the body
lymph nodes
Disease that cannot spread from person to person
noncommunicable
A tiny organism
microorganism
communicable disease
Blood cells that can make antibodies
lymphocytes
Largest organ in the lymphatic system
spleen
type of medicine that treats bacterial infections
antibiotics
A microrganism that causes disease
pathogen
The outer layer of skin
epidermis
Blood cells that destroy pathogens by surrounding them
phagocytes
System that cleanse the body of pathogens using fluid
lymphatic system
Two ways pathogens spread
direct contact and indirect contact
uses a host cell for reproduction
virus
Thick fluid that traps pathogens
mucus
Pathogens that cannot be transferred from person to person
noncommunicable disease
Vitamins and minerals that help the body fight infection
Vitamin C and zinc
Ways to prevent the spread of disease/pathogens