Circulatory System

Front

What is the primary function of the human heart?

Back

The primary function of the human heart is to pump blood throughout the body, supplying oxygen, nutrients, hormones, and removing carbon dioxide and other wastes.

Front

What system is responsible for circulating blood and transporting nutrients around the body?

Back

The circulatory system.

Front

What type of blood do arteries carry and in which direction?

Back

Arteries carry nutrient and oxygen-rich blood away from the heart.

Front

True or False: Veins carry oxygen-poor blood back to the heart.

Back

True.

Front

What is the direction of blood flow in veins?

Back

Veins carry blood back to the heart.

Front

What are the two main components of the circulatory system?

Back

The two main components of the circulatory system are the heart and blood vessels.

Front

What is the role of capillaries in the circulatory system?

Back

Capillaries are small blood vessels where the exchange of oxygen, carbon dioxide, nutrients, and wastes occurs between blood and tissues.

Front

What is the difference between oxygen-rich and oxygen-poor blood?

Back

Oxygen-rich blood is bright red and carries oxygen from the lungs to the body, while oxygen-poor blood is darker and carries carbon dioxide and wastes back to the lungs.

Front

What is the significance of the pulmonary circulation?

Back

Pulmonary circulation is the part of the circulatory system that carries deoxygenated blood from the heart to the lungs and returns oxygenated blood back to the heart.

Front

What is systemic circulation?

Back

Systemic circulation is the part of the circulatory system that carries oxygenated blood from the heart to the rest of the body and returns deoxygenated blood back to the heart.