No, they have open circulatory system.
No, octopuses have a closed circulatory system, while snails, oysters, and sponges do not. Snails and oysters possess an open circulatory system, where blood flows freely through cavities. Sponges, on the other hand, lack a circulatory system entirely, relying on the movement of water through their porous bodies for nutrient and waste transport.
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.
In cephalopods like octopuses, the circulatory system is closed, with blood contained in vessels. Bivalves like clams have an open circulatory system where blood is pumped into a hemocoel. Gastropods, such as snails, have a mix of closed and open circulatory systems, with a heart that pumps blood through vessels but also into spaces around organs.
closed circulatory system.
Brown bear have a close circulation system
closed circulatory system
Worms have a closed circulatory system because they inherited it from their ancestors.