Biology B1a

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Blood Pressure
The force/pressure that the heart pumps blood around your body. The force exerted by circulating blood on the walls of blood vessels.
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Why is blood in the arteries under pressure?
Due to the contraction of heart muscles, so that the blood reaches all parts of the body.
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Diastolic Pressure
The blood pressure when your heart relaxes, so the pressure lowers.
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Systolic Pressure
The blood pressure when the heart contracts, so the pressure is at its highest.
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Hypertension
When your blood pressure is too HIGH
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Hypotension
When your blood pressure is too LOW
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What is the difference between being FIT and being HEALTHY?
Being HEALTHY is being free of any infections or diseases, whereas being FIT is a measure of how well you can perform physical tasks/activities.
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What is blood pressure measured in?
mm of Mercury (mmHg)
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Healthy blood pressure values need to be around what?
120/80 mmHg
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Other cards in this set

Card 2

Front

Why is blood in the arteries under pressure?

Back

Due to the contraction of heart muscles, so that the blood reaches all parts of the body.

Card 3

Front

Diastolic Pressure

Back

Preview of the front of card 3

Card 4

Front

Systolic Pressure

Back

Preview of the front of card 4

Card 5

Front

Hypertension

Back

Preview of the front of card 5
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