No oysters do not have a closed circulatory system. They have something known as a open circulatory system. They are similar to that of fish. They have something similar to that of the gills in fish so that they are able to function in the aquatic environment. The closed circulatory systems, are usually in the terrestrial animals such as mammals, birds etc.
yes. But it is a watery blood surrounding the organs that contains nutrients and oxygen.
Yes clams do have a open circulatory system.
yes, a clam has an open circulatory system
An open circulatory system.
It has an open circulatory system.
Open circulatory system
no
Amphibians have closed circulatory system Closed
closed circulatory system (double circulatory system)
Yes it has a closed circulatory system
closed circulatory system
Sea otters have a closed circulatory system.
Platypuses have a closed circulatory system.
closed circulatory system.
squids have closed closed circulatory systems
no
Brown bear have a close circulation system
closed circulatory system
Worms have a closed circulatory system because they inherited it from their ancestors.