Which among the following is an incorrect statement about circulatory system in Pisces?

• A. Their circulatory system is of closed type
• B. They have two-chambered heart i.e. they have an auricle and a ventricle
• C. They have a single circulatory system with gills i.e. oxygenated blood is pumped to body parts only once
• D. Auricle is also called receiving chamber and ventricle is also called as pumping chamber