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Human Body
Heart Anatomy
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The heart is a part of what system of organs?
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Circulatory system
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Integumentary
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Nervous
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Reproductive
Explanation
The heart is at the center of the circulatory system that also consists of the blood and blood vessels.
Your heart rate is the number of times your heart beats per what?
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Minute
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Second
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Millisecond
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Hour
Explanation
Heart rate is measured by how many beats there are per minute. What many medical professionals do to quickly calculate it is to count for 15 seconds and then multiply the number by four.
The normal resting heart rate for an adult should range from what two numbers?
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60 and 100
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1 and 25
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26 and 50
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100 and 150
Explanation
Heart rate is affected by a number of factors including age and physicality. While the normal resting heart rate is between 60 and 100 bpm, some athletes have a heart rate between 40 and 50 beats per minute.
What are the upper chambers of the heart called?
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Atria
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Ventricles
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Valves
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Pulses
Explanation
The upper chambers of the heart are called the atria. The one on the right receives deoxygenated blood from the veins while the left receives oxygenated blood from the pulmonary vein.
Which valve is located between the left ventricle and the aorta?
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Aortic
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Mitral
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Pulmonary
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Tricuspid
Explanation
The aortic valve is one of the heart's four valves. It is responsible for bringing blood from the ventricles.
How many valves does the heart have?
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4
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3
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2
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1
Explanation
The heart is made up of four valves: mitral, tricuspid, aortic, and pulmonary. While the first two control blood flow towards the ventricles, the second two valves send blood out of the ventricles.
Which blood vessel carries oxygenated blood from the heart to the rest of the body?
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Capillary
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Artery
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Vein
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Nodes
Explanation
The human body is said to have approximately 10 billion capillaries and while they are small, they serve a big purpose– carrying blood from the heart.
The heart is about as big as what body part?
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Fist
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Head
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Thumb
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Eye
Explanation
The heart is said to be about as large as a person's closed fist.
How many chambers of the heart are there?
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4
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3
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2
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1
Explanation
The heart is made up of four chambers. Two of them are the atria and the other two are the ventricles.
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