Cardiovascular System Quiz
Multiple Choice
- What is the main function of the cardiovascular system?
- A. To transport oxygen and nutrients to the body's cells
- B. To regulate the body's temperature
- C. To protect the body from infection
D. To help the body digest food
What is the name of the organ that pumps blood around the body?
A. The heart
B. The liver
C. The kidneys
D. The lungs
What is the name of the large vein that carries oxygen-poor blood from the body back to the heart?
A. The pulmonary vein
B. The aorta
C. The vena cava
D. The carotid artery
What is the name of the small, thin-walled vessels that connect the arteries and veins?
A. Capillaries
B. Arterioles
C. Venules
D. Veins
True/False
- The heart is made up of four chambers.
- True
False
The aorta is the largest artery in the body.
True
False
The left side of the heart pumps oxygen-rich blood to the body.
True
False
The pulmonary vein carries oxygen-poor blood from the heart to the lungs.
True
False
Fill-in-the-Blank
The __________ is the organ that pumps blood around the body.
The __________ is the largest artery in the body.
The __________ are the small, thin-walled vessels that connect the arteries and veins.
The __________ carries oxygen-poor blood from the body back to the heart.
Short Answer
What are the three main components of the cardiovascular system?
What are the two main functions of the cardiovascular system?
Answer Key
- A
- A
- C
- A
- True
- True
- True
- False
- Heart
- Aorta
- Capillaries
- Vena cava
- The three main components of the cardiovascular system are the heart, blood vessels, and blood.
- The two main functions of the cardiovascular system are to transport oxygen and nutrients to the body's cells and to remove waste products from the body.