Innate immunity is only activated during an infection, while adaptive immunity is always active.

Innate immunity is non-specific and present at birth, while adaptive immunity is specific and develops over time.

Innate immunity is only present in plants, while adaptive immunity is only present in animals.

Innate immunity is specific and develops over time, while adaptive immunity is non-specific and present at birth.

Platelets release chemicals to destroy harmful bacteria.

Red blood cells produce antibodies to fight off infections.

White blood cells engulf and digest foreign particles or pathogens.

The immune system relies on the nervous system to recognize and attack foreign invaders.

Antibodies are small molecules that repel antigens and prevent them from entering the body.

Antibodies are carbohydrates that bind to specific antigens and mark them for destruction by other immune cells.

Antibodies are proteins that bind to specific antigens and mark them for destruction by other immune cells.

Antibodies are enzymes that break down antigens and eliminate them from the body.

T cells produce antibodies to target and neutralize pathogens

T cells help to directly attack infected cells and regulate the immune response, while B cells produce antibodies to target and neutralize pathogens.

T cells and B cells have no role in the immune response

B cells help to directly attack infected cells and regulate the immune response

Immunization helps to protect individuals and communities from serious illnesses and complications.

Immunization is only important for certain age groups

Immunization only works for a few specific illnesses

Immunization has no impact on preventing diseases

Inflammation helps to remove harmful stimuli, initiate the healing process, and defend the body against pathogens.

Inflammation only occurs in the brain and does not affect the rest of the body

Inflammation has no role in the immune response

Inflammation causes the body to become more susceptible to pathogens

Heart, lungs, liver, and kidneys. Their functions include producing red blood cells and filtering waste products.

Stomach, intestines, pancreas, and gallbladder. Their functions include digesting food and absorbing nutrients.

Lymph nodes, lymphatic vessels, thymus, spleen, and tonsils. Their functions include filtering lymph, producing and activating immune cells, and storing white blood cells.

Brain, spinal cord, nerves, and sensory organs. Their functions include processing information and controlling body movements.