Introduction to the Cardiovascular System

Arteries carry blood away from the heart, while vein carry blood to the heart.

• True

• False

The heart is fully formed by the 4th week of embryonic development.

• True

• False

Tags

NGSS.HS-LS1-4

The human heart has ___ chambers.

• 2

• 4

• 6

• 1

The upper chambers of the heart are called

• atria

• ventricles

What is the circulatory system?

• The body's breathing system

• The body's system of nerves

• The body's food-processing system

• The body's blood-transporting system

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-3

Why is blood that flows from the lungs to the heart bright red rather than dark red?

• Oxygen makes it red

• Carbon dioxide makes it red

• Gastric juices produce the red color of the blood

• The lungs add a pigment (dye) to blood as it flowsthrough them

Tags

NGSS.HS-LS2-3

What would be the correct order of vessels leaving the heart and then returning to the heart?

• vein, capillaries, venules, arteries, arterioles

• vein, venules, capillaries, arterioles, arteries

• arteries, veins, capillaries, venules, arterioles

• arteries, arterioles, capillaries, venules, veins

The exchange of gases, nutrients, and wastes occurs at what level of blood vessel?

• arteries

• veins

• capillaries

• venules

• arterioles

The right side of the heart contains oxygenated blood.

• True

• False

What major veins carries deoxygenated blood from the body to the heart?

• the superior and inferior vena cava

• the ascending and decending aorta

• the renal artery and renal vein

• the hepatic portal circulation