B3 2.1: The circulatory system and the heart.

All information was taken directly from the AQA revision guide with only the key points from B3 2.1.

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  • Created by: JSpencer
  • Created on: 03-03-16 21:29
What does the transport system do?
It moves materials around the body.
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What do humans have?
A circulatory system.
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What does the human system consist of?
Blood vessels - The heart and the blood.
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What is the heart?
A muscular organ that pumps blood around the body (it is actually two pumps held together).
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What does the right pump do?
It forces deoxygenated blood to the lungs where it can pick up oxygen and lose carbon dioxide.
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What happens after the lungs in the left pump?
The oxygenated blood is then pumped to the rest of the body.
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How many chambers does the heart have?
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What are the upper chambers called?
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Where do the upper chambers recieve blood from?
The vena cava on the right and the pulmonary vein on the left.
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What are the lower chambers called?
The ventricles.
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How do the top chambers get blood to the lower chambers?
It contracts to move the blood.
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What do valves in the heart do?
Stop the blood from flowing in the wrong direction.
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Where does the heart get the oxygenated blood?
From the coronary arteries.
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What is double circulation?
The seperate circulation of the blood from the heart to the lungs and then back to the heart and on to the body.
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Other cards in this set

Card 2


What do humans have?


A circulatory system.

Card 3


What does the human system consist of?


Preview of the front of card 3

Card 4


What is the heart?


Preview of the front of card 4

Card 5


What does the right pump do?


Preview of the front of card 5
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