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Card 16

Front

Describe the single circulatory system in fish

Back

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Card 17

Front

Describe the features of a double closed circulatory system

Back

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Card 18

Front

Name the two circulation systems in a double closed circulatory system

Back

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Card 19

Front

In which organisms are double closed circulatory systems found?

Back

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Card 20

Front

Why is the double closed circulatory system the most efficient system for transporting substances around the body?

Back

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Card 21

Front

What are the components of blood vessels? (3)

Back

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Card 22

Front

What do the arteries carry?

Back

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Card 23

Front

What does the pulmonary artery carry?

Back

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Card 24

Front

What are the artery walls composed of?

Back

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Card 25

Front

What is the significance of elastin fibres in the artery walls?

Back

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