Cardiovascular and Respiratory

Front

What are the three types of blood vessels?

Back

Arteries, veins, and capillaries.

Front

What is the main organ of the circulatory system?

Back

Heart.

Front

What are capillaries?

Back

Thin-walled vessels that allow for the exchange of O2, CO2, nutrients, and wastes between blood cells or air sacs in the lungs.

Front

What is the pericardium?

Back

The outermost layer that encloses the heart.

Front

What do arteries do?

Back

Carry blood away from the heart; mostly oxygen-rich.

Front

What do veins do?

Back

Carry blood towards the heart; mostly oxygen-poor.

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What is the role of oxygen in the circulatory system?

Back

Oxygen is transported to cells for respiration and energy production.

Front

What is the role of carbon dioxide in the circulatory system?

Back

Carbon dioxide is a waste product transported from cells to the lungs for exhalation.

Front

What is blood pressure?

Back

The force exerted by circulating blood on the walls of blood vessels.