Which of the following are the three main components of the cardiovascular system?

• Blood, Vessels, and Lungs

• Arteries, Veins, and Capillaries

• Blood, Vessels, and Heart

• Heart, Lungs, and Kidneys

Which statement is true about systemic circulation in the cardiovascular system?

• Systemic circulation moves deoxygenated blood to the lungs through veins.

• Systemic circulation moves blood from the lower body to the upper body only.

• Systemic circulation is the transport of oxygenated blood to the body

• Systemic circulation includes pathways for transporting blood to and from the lungs for nutrient transport.

What does B identify in the attached image?

• Vein

• Capillary

• Artery

• Atrium of the heart

Which area of the heart contains oxygen-rich blood?

• The ventricles

• The right atrium

• The left side of the heart

• The whole heart pumps oxygen-rich blood

At which point in the cardiac cycle does the aortic valve open?

• A

• B

• C

• D

Which of the following are used to increase heart rate?

I. Adrenaline (hormone)

II. Vagus nerve

III. Acetylcholine

• I

• II and III

• I and III

• I and II

Tags

NGSS.HS-LS1-3

Which feature of capillaries distinguishes them from arteries and veins?

• Narrow diameter

• Valves to prevent backflow

• Thick muscular walls

• Elastic tissue

Which vessel carries deoxygenated blood away from the heart?

• A. Aorta

• B. Pulmonary artery

• C. Vena cava

• D. Pulmonary vein

What is a role of the coronary arteries?

• A. To supply information about blood temperature to the hypothalamus

• B. To supply the heart muscle with oxygen and nutrients

• C. To carry blood away from the heart

• D. To monitor blood pH

Which of the following substances are transported by the blood?

• All of the above
• O₂
• Glucose
• Urea