2. Form and Function
The Circulatory System — Quiz
Test your understanding of the circulatory system with 5 practice questions.
Practice Questions
Question 1
What is the main function of the circulatory system in humans?
Question 2
Which blood vessel carries blood away from the heart?
Question 3
What is the main site of exchange between the blood and body tissues?
Question 4
Why do red blood cells contain hemoglobin?
Question 5
Which chamber of the human heart pumps oxygenated blood to the body?