40. Lesson 6(DOT)6(COLON) The Heart and Circulatory System
Lesson Focus — Quiz
Test your understanding of lesson focus with 5 practice questions.
Practice Questions
Question 1
What is the main function of the heart in the circulatory system?
Question 2
Which part of the heart is responsible for initiating the heartbeat?
Question 3
What type of blood vessel carries blood away from the heart?
Question 4
What is the main characteristic of capillaries?
Question 5
What occurs during the diastole phase of the cardiac cycle?