Circulatory/Respiratory Test

Front

What is the primary function of the circulatory system?

Back

To transport nutrients, gases, hormones, blood cells, and waste products throughout the body.

Front

What is the role of the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide between the body and the environment.

Front

What structure is responsible for gas exchange in the lungs?

Back

Alveoli.

Front

What are the main components of blood?

Back

Red blood cells, white blood cells, platelets, and plasma.

Front

What is the function of leukocytes?

Back

To protect the body against infections and foreign invaders.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart.

Front

What is hemoglobin and its function?

Back

Hemoglobin is a protein in red blood cells that binds to oxygen and carries it from the lungs to the body's tissues.

Front

What does it mean if a person has Rh+ blood type?

Back

They have Rh antigens on the surface of their red blood cells.

Front

What is the significance of blood type compatibility in transfusions?

Back

Incompatible blood transfusions can cause serious immune reactions, so it's crucial to match donor and recipient blood types.

Front

What is the pathway of blood flow through the heart?

Back

Blood flows from the body into the right atrium, then to the right ventricle, to the lungs, back to the left atrium, then to the left ventricle, and finally out to the body.