top of page
Circulatory System
Stingrays have a closed circulatory system. A Closed Circulatory system-Is a blood circulation system in which blood moves through the body in closed vessels. In the closed circulatory system, the blood is confined to vessels. The heart pumps blood to vessels through smaller vessels which go to the organs.Blood is closed at all times within vessels of different sizes and wall thicknesses.
bottom of page