1
A substance that triggers an allergic reaction in some individuals
Allergens
Proteins which help the body develop immunity against specific pathogens
Antibodies
Projections which help prevent pathogens from getting into lungs
Cilia
Proteins which quickly break down food
Enzymes
Large bunches of lymphatic tissue located throughout the body
Lymph nodes
Microorganisms that can cause disease
Pathogens
Substance produced by oil glands
Sebum
largest organ in the body
Skin
Fluid that surrounds cells
Tissue fluid
Projections which absorb nutrient molecules that pass to the bloodstream
Villi
A —————————is a substance that causes the body to develop immunity to a particular disease
Pathogen
The ———————cleanses the blood that passes through it
Spleen
There are eight different — vitamins
B
Nutrients which help build muscle tissue are ————
Proteins
The ————-system is designed to defend against germs and disease
Immune
The ————- system breaks down food into a form that can be used by the body
Digestive
The mineral ——————makes bones and teeth strong
Calcium
A ————-—— is a natural element that regulates body systems
Minerals
The measure of energy from food is a —————-
Calorie
The body’s ability to protect itself from a disease is ————-
Immunity
———————- reproduce by using a host cell of the body
Viruses
———— blood cells travel from the bloodstream to the places in the body that need defense
White
A ————————— makes antibodies
Lymphocyte
Vitamin c and the mineral ———— help the body fight disease and infection
Zinc
———————— can be spread by direct and indirect contact
Pathogens