Circulatory System Flashcards

Front

Main functions of the circulatory system

Back

Transporting nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes.

Front

Heart

Back

A muscular organ that pumps blood throughout the body.

Front

Artery

Back

A blood vessel that carries blood away from the heart.

Front

Vein

Back

Veins are blood vessels that carry blood towards the heart. They have valves to prevent backflow.

Front

Capillaries

Back

Capillaries are tiny blood vessels where the exchange of oxygen, nutrients, and waste occurs between blood and tissues.

Front

Valve

Back

A valve is a structure in the heart that controls the flow of blood by opening and closing.

Front

Oxygen

Back

Oxygen is a gas that is essential for human life, used by the body to produce energy.

Front

carbon dioxide

Back

A colorless gas with the formula CO2, consisting of one carbon atom and two oxygen atoms.

Front

aorta

Back

The largest artery in the body, carrying oxygen-rich blood from the heart to the rest of the body.

Front

Right and left atrium

Back

The atria are the two upper chambers of the heart that receive blood.