Oxygen, neccessary for cellular respiration, is the answer. As oxygen becomes scarce, your cells begin to aerobically produce very little ATP, in effect fermenting and producing lactic acid.
Biology is the study (2) of life (1)
<span>it leaves the nucleus, goes to the cytoplasm, binds to a ribosome to be read.</span>
1. This process is called translation
2. This process is called transcription
I hope this helps :)
