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The Human Heart
Biology for Kids
"Here is a quiz about one of the most important organs in the body-the human heart. Enjoy!"
15 Points Per Correct Answer - No time limit
The body has many cavities which house and protect its organs. The heart is in which cavity?
What is the average size of your heart?
The size of a beach ball.
The size of a pea.
The size of your clenched fist.
The size of a watermelon.
The human heart is divided into sections called chambers. How many chambers does a human heart have?
Some of the heart's chambers are located at the top and some at the bottom. What is the name for the top chambers of the heart?
What's the name for the bottom chambers of the heart?
Between the upper and lower chambers of the heart are some leaf-like structures which help blood to flow in one direction. These structures are called valves.
Which blood vessels return blood to the heart?
The number of times the heart beats per minute is called the heart rate. All of the following activities would be likely to increase the heart rate except one. Which one?
watching a scary movie
The right side of the heart pumps blood to the lungs. What happens in the lungs?
The blood loses carbon dioxide and picks up oxygen.
Nobody knows for sure.
It has a rest.
The blood turns from red to green.
Most of the blood vessels that carry oxygen-rich blood around the body are called arteries. The largest artery in the body is the aorta.
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Compiled May 20 13