Circulatory System

Front

What is the main function of the circulatory system?

Back

To transport oxygen, nutrients, hormones, and waste products throughout the body.

Front

Where does the blood pick up oxygen in the body?

Back

The lungs.

Front

What is the heart?

Back

A muscular organ that pumps blood throughout the body.

Front

What is the correct flow of blood through the heart?

Back

Vena Cava -> Right atrium -> Right Ventricle -> Pulmonary Artery -> Lungs -> Pulmonary Vein -> Left Atrium -> Left Ventricle -> Aorta.

Front

What happens in the capillaries?

Back

Exchange of oxygen, carbon dioxide, and other nutrients and wastes.

Front

How does the structure of capillaries facilitate gas exchange?

Back

By having thin walls and being close to alveoli.

Front

What are arteries?

Back

Blood vessels that carry blood away from the heart.

Front

What are veins?

Back

Blood vessels that carry blood back to the heart.

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the rest of the body and return carbon dioxide to the lungs.

Front

What is plasma?

Back

The liquid component of blood that carries cells, nutrients, hormones, and waste products.