Understanding the Heart and Circulatory System
Interactive Video
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of the heart in the circulatory system?
To store oxygen
To filter waste products
To pump blood throughout the body
To produce blood cells
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chambers does a normal heart have?
Five
Four
Three
Two
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of heart valves?
To increase blood pressure
To prevent blood from flowing backward
To store blood
To produce oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does blood pick up oxygen in the circulatory system?
In the kidneys
In the lungs
In the liver
In the heart
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the heart receive its own supply of oxygen?
Through the aorta
From the lungs directly
Via the coronary arteries
Through the blood in its chambers
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