I would say the respiratory system (the lungs) fail. The lungs are to receive oxygen and it sends it to the heart.
I am not much of a biology nerd but I am taking an educational guess.
All I can say that the lungs need oxygen. Without oxygen, the heart will stop pumping blood and you will be suffocating with this essential. That is why you should never smoke and actually take great care of your precious body.
A piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
Apply : The flame of many stove burners is blue, but the wires of a toaster glow orange. How do you think the temperatures of these two cooking appliances compare? The stove burner is hotter than the toaster.
Osteoporosis <span>is one of the most serious long-term side effects of severe calorie restriction.</span>
Option two is the right answer
