Question

Fishes do not have their heart located between their respiratory surfaces and their systemic system

Answer 1

Answer:

Explanation:

The heart is located a little behind and below the gills. The typical fish heart has four chambers, however unlike mammals, blood moves through all four in sequence. Venous blood enters the sinus venosus (a thin walled sac) then flows into the atrium, followed by the ventricle (a thick walled pump)