1
What is a substance that triggers an allergic reaction in some individuals?
A. Antibodies
B. Allergens
C. Pathogens
Allergens
Microorganisms that can cause disease
Pathogens
What cleanses the blood that passes through it?
Spleen
Which mineral makes bones and teeth strong?
Calcium
_______ blood cells travel from the bloodstream to the places in the body that need defense.
A. Red
B. White
White blood cells
Which proteins help the body develop immunity against specific pathogens?
A. Enzymes
B. Pathogens
C. Antibodies
Antibodies
A substance produced by oil glands.
Sebum
The DIGESTIVE system
A _______ is a natural element that regulates body systems.
Mineral
Fruit and vegetables make up ________ of your diet.
A. One-fourth
B. One-half
One-half
Projections which help the body develop immunity against specific pathogens.
Cilia
The largest organ of the body.
Skin
Which system is designed to defend against germs and disease?
The IMMUNE system
The measure of energy from food is called a what?
Calorie
The body's main source of energy comes from plants or fish and are __________ than saturated fats.
A. Healthier
B. Unhealthier
Healthier! chat
Proteins which quickly breakdown food.
Enzymes
Fluid that surrounds cells
Tissue Fluid
Nutrients which help build muscle tissues are _______.
Proteins
The body's ability to protect itself from a disease is called what?
Immunity
The healthiest grains are __________.
WHOLE grains!
Large bunches of lymphatic tissue located throughout the body
Lymph Nodes
Projections which absorb nutrient molecules that pass to the bloodstream.
Villi
How many different types of B vitamins are there?
8
_______ reproduce by using a host cell of the body.
Viruses
Vitamin C and the mineral _____ help the body fight disease and infection.
A. Zinc
B. Iron
C. Calcium
Zinc