5.1.6 Lines of Defense

What is a function of the immune system?

• Transports nutrients and gases to tissues in the body

• Filters wastes from the blood

• Helps protect the human body against infectious diseases

Tags

NGSS.HS-LS1-3

Which of these is a specific defense of the body?

• Antibodies

• T-Cells

• B-Cells

• All of the above

Which of these are specific defenses?

• Skin

• Antibodies

• Nose hair

• Mucus

What is immunity?

• Protection from an infection or toxin

• The immune system

• A bacterial infection

Tags

NGSS.HS-LS1-3

Y shaped proteins produced in response to specific antigens are____________

• B Lymphocytes

• Phagocytes

• Antigens

• Antibodies

Any foreign substance that causes an immune response is an ___________

• Antibody

• Antigen

• B Cell

• Bacteria

Which type of cell produces antibodies?

• B cells

• T cells

Which word means white blood cell?

• Erythrocyte

• Thrombocyte

• Leukocyte

Tags

NGSS.MS-LS1-3

Vaccines are effective in preventing disease because they

• Interfere with the release of suppressor T cells

• Are antibodies directed against specific pathogens

• Contain specific B cells and T cells

• Trigger antibody formation

Phagocytes _________________________

• Produce strong antibiotics

• Secrete interferon

• Shut down immune responses

• Ingest and destroy pathogens