|
Types
|
Seen in
|
|
One-chambered
|
In invertebrates
|
|
2-chambred
|
Fishes
|
|
3-chambered
|
Amphibians and some reptiles
|
|
Incompletely 4-chambered
|
Certain reptiles
|
|
4-chambered
|
Crocodiles, birds & mammals
|
|
13-chambered
|
Cockroach
|
|
Pulsating heart
|
Earthworm
|
|
Tubular heart
|
Cockroach
|
|
Venous heart
|
Fishes
|
|
Myogenic heart
|
Frog, rabbit, man etc
|
|
Neurogenic heart
|
Invertebrates
|
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