637529
Description
Mind Map by millie.moo96, updated more than 1 year ago
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Created by millie.moo96
over 10 years ago
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Heart and Circulation
- Open
- Blood contained in the body cavity
- Haemocil
- Haemocil
- mainly in insects
- Blood contained in the body cavity
- Closed
- Blood transported in vessels
- Arteries, veins, capillaries
- Arteries, veins, capillaries
- Mainly in mammals
- Blood transported in vessels
- Single
- Blood passes through the heart once on each circuit
- Eg: fish
- Heart - Gills - Body - Heart
- Blood passes through the heart once on each circuit
- Double
- blood passes through the body twice one each circuit
- Mammals
- Body - Heart - Lungs - Heart - Body
- blood passes through the body twice one each circuit
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