well, the answer is so simple, a frog's heart needs oxygen which is required from the lungs therefore the circulatory system (blood/heart) needs oxygen from the respiratory system (lungs). since they are so close together, both system have easy access to one another.
badly
respiratory system circulatory system skeletal system
the circulatory system and the respiratory system are the names
respiratory system Circulatory system
The lungs are part of the respiratory system! they help the circulatory by giving oxygen, but they are just respiratory.
respiratory system,immune system,digestive and circulatory system.
respiratory system is a cnidarian
The circulatory and respiratory systems work together to get oxygen to cells. Oxygen transfers from the respiratory to the circulatory system at the capillaries surrounding the alveoli.
1. Respiratory system 2. Cardiovascular system
The respiratory system helps the circulatory system. circulatory system
Respiratory system works with digestive system ,circulatory system ,excretory system (indirectly through circulatory system...
No, the phylum Platyhelminthes does not have a circulatory system. They rely on simple diffusion to transport nutrients and gases within their bodies.