

Functions of the Heart and Blood
Interactive Video
•
Biology
•
6th - 8th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which engine is described as the most powerful despite its small size?
Steam engine
Human heart
Car engine
Jet engine
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we enter Jerry's body in the journey?
Through his skin
Through his ears
Through his mouth
Through his nose
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to Jerry's heart rate when he realizes he's late for work?
It decreases
It remains the same
It increases
It stops
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the heart compared to in terms of its function in the body?
A water pump
A computer
A food delivery center
A power plant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main role of red blood cells in the circulatory system?
To produce hormones
To deliver oxygen
To store energy
To fight infections
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where does the exchange of oxygen and carbon dioxide primarily occur?
In the heart
In the lungs
At the cellular level
In the stomach
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color is blood when it is full of oxygen?
Blue
Bright red
Green
Dark red
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