Immunity

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Pathogens are recognized by their...

• antigens
• antibodies
• killer t-cells
• B-cells

Cells that ingest pathogens are

• plasma cells
• phagocytic cells
• helper T cells
• antibodies

T cells mature in the

• bone marrow
• spleen
• thymus
• kidney

__________ immunity is when the bodies makes its own antibodies.

• passive
• active
• cell mediated
• false

Anything that triggers an immune response is a/n

• lymph cell
• antigen
• antibody
• neutrop

Y shaped proteins that may mark pathogens for destruction are

• antigens
• T cells
• antibodies
• neutrophils

T cells that kill infected cells are

• cytotoxic T's
• helper T's
• plasma cells
• antigen presenting c

A Substance made of weakened, killed, or partial pathogens are designed to protect the body from future invasions of that pathogen.

• Vaccine

• Virus

• Disease

• Microbe

Which is an example of passive immunity?

• people being vaccinated against disease
• people taking vitamins to boost their immune response
• people receiving antibodies from their mothers before birth
• people producing antibodies against organisms that cause diseases they have had previosuly