Immune System

Cells that ingest pathogens are

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

Tags

NGSS.MS-LS1-3

What do scientists call bacteria and viruses that can make people sick?  

• diseases
• vaccines
• antibodies
• pathogens

Diseases are passed from human to human by these four types of germs: 

• Viruses, influenza, HIV, and vaccines
• Viruses, bacteria, fungi, and parasites
• Viruses, cancers, mutagens, and DNA
• Viruses, blood, pollutants, and symptoms

There are more than one type of blood cell.
True Or False

• True
• False

Tags

NGSS.MS-LS1-1

What are Lymphocytes (leukocytes)?

• A type of red blood cell

• A nucleus

• A type of white blood cell

• Bone Marrow

What is the function of antibodies within the immune system?

• Antibodies kill off any antigen that enters the body.

• Antibodies are only made when you are given a vaccination for specific antigens.

• Antibodies bind to specific antigens to flag for destruction.

• Antibodies are part of an external defense mechanism.

Some examples of external defenses are...

• Skin

• Mucus

• Inflammation

• Saliva

• Sweat

Select the immune response, chosen from the list below, that is most closely associated with that phrase.

Immune Response

(1) Active immunity

(2) Passive immunity

(3) Allergies

(4) Tissue rejection

A vaccine containing a weakened disease-causing organism is injected into the body.

• 1

• 2

• 3

• 4

Select the immune response, chosen from the list below, that is most closely associated with that phrase.

Immune Response

(1) Active immunity

(2) Passive immunity

(3) Allergies

(4) Tissue rejection

Chemicals known as histamines are released as a result of antibody production.

• 1

• 2

• 3

• 4

The diagram represents one possible immune response that can occur in the human body.

The structures that are part of the immune system are represented by

• A, only

• A and C, only

• B and C, only

• A, B, and C

Tags

NGSS.MS-LS1-3