Unit 4 Review

Front

Which blood cells carry oxygen throughout the body?

Back

Red blood cells are responsible for transporting oxygen from the lungs to the rest of the body.

Front

What happens to oxygen in the blood after it is exchanged in the lungs?

Back

Oxygen in the blood is delivered to the tissues and cells of the body to help make energy.

Front

What is an antigen?

Back

An antigen is any substance that triggers an immune response in the body.

Front

What is immunity?

Back

Immunity is the body's ability to destroy pathogens before they can cause disease.

Front

What do we inhale?

Back

We inhale oxygen, which is essential for cellular respiration.

Front

What is the role of white blood cells?

Back

White blood cells are part of the immune system and help defend the body against infections.

Front

What is the function of platelets?

Back

Platelets are involved in blood clotting to prevent bleeding.

Front

What is the difference between an antibody and an antigen?

Back

An antibody is a protein produced by the immune system to neutralize or destroy antigens.

Front

What is the purpose of a vaccine?

Back

A vaccine stimulates the immune system to develop immunity against specific pathogens.

Front

What is the inflammatory response?

Back

The inflammatory response is the body's reaction to injury or infection, characterized by redness, heat, swelling, and pain.