you find out if its living if its respiratory system has to do with oxygen
do not smoke novanet
The most important decision is not to start smoking.
yes there are controls for thing thing 1
oxygen
The mountain goats respiratory system is adapted permanently to different altitudes. This is because it is the cellular respiratory system which allows it to survive the low oxygen climate.
I think energy is most important. Blood, oxygen, lungs, and heart is also important...
carbon oxygen hydrogen nitrogen
Your question makes no sense there is no such thing as "cell respiratory".
Oxygen is important to humans so we can breathe. we then give off carbon dioxide which plants need. Plants give off oxygen and the cycle repeats.
Your brain. It's what controls your body. You need oxygen supply to all parts of your body to survive. Without your lungs, heart, and circulatory system you would not be able to do this. And even though your brain directs these functions it needs oxygen to function. The most important thing a paramedic can do when trying to revive you is to keep the blood and oxygen moving by pumping your chest. This helps to keep your body alive, even though you are not breathing. I think there are more than one 'most important' parts.
Vascular system, also called the circulatory system. Look those terms up on wikipedia for more info.The answer to this is the circulatory system.The ciculatory system because the heart is in the ciculatory system and the blood is the most important thing in the circulatory system.Circulatory System