Question

the heart of fish consist of.....??. ​

Answer 1

Explanation:

The heart of fishes consists of four chambers, a sinus venosus, an atrium, a ventricle and a conus or a bulbus arteriosus (Fig. 6.1a-b). Some authors considered atrium and ventricles as the chambers of heart while some considered sinus venosus and conus arteriosus also as the chambers of the heart.