Immune System

These cells are responsible for making antibodies.

• Helper T Cells
• Killer T Cells
• B Cells
• Macrophages

Out of t-cells and b-cells which is the helper cell?

• b-cells
• t-cells
• neither
• both

It's the protein produced by a B cell of the immune system that destroys a pathogen.

• T Cell

• B Cell

• Antibody

• Vaccination

How do breathing passages help keep pathogens out of the body?

• Mucus and cilia trap pathogens.
• They produce antibodies that kill pathogens.
• Chemicals kill some pathogens.
• Phagocytes in the breathing passages destroy pathogens.

When Kristen was five, she became sick with chickenpox & then recovered.  Why is Kristen unlikely to get chickenpox a second time?

• Kristen has not developed antibodies to chickenpox.
• Kristen has developed a vaccination against chickenpox.
• Kristen's body no longer contains cells that can be damaged by chicken pox.
• Kristen's body has memory cells that will produce antibodies to fight chickenpox. 

Like all other body systems, the immune system helps the body maintain homeostasis (overall balance). Which statement best describes how the immune system does this?

• it protects other organs and tissues from infection and disease

• it breaks down food to provide cells with nutrients

• it gathers information through the senses and controls all other body systems

• it transports oxygen and carbon dioxide

The picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?  

• a skin cell destroying germs.
• inflammation near an opened wound
• a white blood cell destroying pathogens
• mucus in the lungs destroying pathogens

Tags

NGSS.MS-LS1-3

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

• diseases
• vaccines
• antibodies
• pathogens

Liz notices that shortly after cutting her arm accidentally the area around the cut is turning red and feeling hot. Which immune system defense is Liz experiencing?

• inflammation / swelling

• white blood cell clotting

• skin rupture

• fever

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