Respuesta :
The correct answer is the air. As you inhale, air is pulled into your lungs. Your lungs "process" it and use the oxygen to oxygenate your red blood cells, which then circulate throughout your body, spreading oxygen to all of your cells.
The correct answer is the air. As you inhale, air is pulled into your lungs. Your lungs "process" it and use the oxygen to oxygenate your red blood cells, which then circulate throughout your body, spreading oxygen to all of your cells.
