7th - control

What is the body's first line of defense against disease?

• skin

• blood

• antibodies

• enzymes

What are Lymphocytes?

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

What is the ability to resist the pathogens that cause a particular disease?

• defense

• immunity

• immune system

How are vaccinations able to help us develop immunity?

• Exposure to disease creates antibodies which make us immune

• Exposure to antibodies which makes us the disease immune to us

• Exposure to immunity's which make us antibodies to the disease

This allows us to develop an artificial immunity to a disease without ever getting sick from the disease.

• antibiotics

• vaccines

• blood transfusions

Thee large green structure with the antigen on its surface is a (an)

• antibody

• pathogen

• enzyme

• hormone

Reorder the following steps in a human's immune response.

• Barriers such as skin and cilia.

• Antibody creation by white blood cells.

• Swelling at the site of infection.

• Destruction of foreign invader (pathogen).

Antibody creation is ​ (a)   to the antigen.

Phagocytes attacking foreign invaders are a​ (b)   ​response.

• very specific
• non-specific
• not affected by
• not related
• feedback

Organ transplants will cause an immune response in the body because...

• red blood cells will be prevented from carrying oxygen.

• antibiotics will be produced that cause blood clotting.

• white blood cells will react to the foreign antigens on the organ.

• the organ prevents antibodies from being made.

Match the following terms with their explanations.

• substance that protects against disease

• vaccine

• chemical markers on pathogens

• white blood cells

• any living organism that can cause disease

• pathogen

• made by white blood cells to fight pathogens

• antibody

• important cells in our immune system

• antigens