Immune System

Which system has the primary function of fighting disease?

• circulatory

• integumentary

• immune

• respiratory

Why might you become ill after visiting a friend who is sick with the flu?

• The room your friend was in was too warm.

• You ate the same kind of food your friend ate.

• You did not dress properly.

• The virus that causes the flu entered your body.

One of the most important functions of the skin is to

• carry food to body cells.

• protect the body.

• help the body move.

• let food into the body.

When foreign material enters the body, one way the immune system responds is by

• lowering the body temperature

• producing excess red blood cells

• shutting down the circulatory system

• producing antibodies

Where are white blood cells made?

• Bone marrow

• Red Blood Cells

• Heart

• Veins

_______________________________ are white blood cells that fight infection by “eating” or engulfing pathogens.

• T-cells

• B-cells

• Phagocytes

_______________________ are white blood cells that produce antibodies.

• B-Cells

• T-Cells

• Macrophages

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

• diseases
• vaccines
• antibodies
• pathogens

What are Lymphocytes?

• A type of red blood cell
• A nucleus 
• A type of white blood cell
• Bone Marrow

Tags

NGSS.MS-LS1-3

These are important because they remember the pathogen for the future.

• Macrophage

• Lymphocyte

• Memory T and B cells

• Antibodies