Types of circulatory system

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  • Created by: emily_w
  • Created on: 20-10-14 11:52
What is a double circulatory system?
When there are two routes for blood to take--from the heart to the lungs and back, and from the heart to the body and back.
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Why do mammals have double circulatory systems?
They are more efficient; they require more energy due to their high activities; they have to maintain a 37°C body temperature
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What is an open circulatory system?
When the blood is in direct contact with body cells (insects)
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What is a closed circulatory system?
The blood is always within blood vessels (mammals)
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What is a single circulatory system?
Found in fish--blood can only go from the tissues to the heart to the gills and back to the tissues.
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Why are fish suited to a single circulatory system?
They don't need to maintain a body temperature and they don't need much energy because they don't do anything.
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Card 2

Front

Why do mammals have double circulatory systems?

Back

They are more efficient; they require more energy due to their high activities; they have to maintain a 37°C body temperature

Card 3

Front

What is an open circulatory system?

Back

Preview of the front of card 3

Card 4

Front

What is a closed circulatory system?

Back

Preview of the front of card 4

Card 5

Front

What is a single circulatory system?

Back

Preview of the front of card 5
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