Sort of depends on just what you mean by "best",
but the respiratory system certainly works the closest.
it works like our circulatory system
It works like a circulatory system
The respiratory system works directly with the circulatory system when to oxygenate blood.
Circulatory systems operates blood circulation
It works with the circulatory system because nutriants , vitamins, and food follow through our blood
The circulatory system works with digestive system to circulate the nutrients to all the body parts. The nutrients are digested and absorbed by the digestive system. The circulatory system circulates the nutrients throughout the body.
The heart
Everything in the circulatory system works together to remove waste from the blood. The circulatory system provides the excretory system with the blood to be cleaned.
The circulatory system distributes oxygen to body tissues as it works with the respiratory system. It also helps bring carbon dioxide back to the lungs so that it can be expelled.
Respiratory system works with digestive system ,circulatory system ,excretory system (indirectly through circulatory system...
Yes! Circulatory system.
It works with the respiratory system especially the lungs.