How many chambers are present in the heart of a fish ?
Fish has two chambered organ
1. One atrium
2. One ventricle.
The heart of a fish has two chambers. Fish consist of the simplest form of a pure heart with two chambered organs composed of an atrium and a ventricle. A rudimentary valve is situated between the two chambers. Blood is pumped from the ventricles to the gills by the conus arteriosus. The human heart (mammolian) consists of two separate chambers and two separate ventricles.