Complex sentence: However, it is physically impossible to have a BV greater than 100, because that wuold mean that more than 1 gram of nitrogen was stored for every 1 gram of nitrogen consumed.
Split into simpler sentences: However, it is physically impossible to have a BV greater than 100. Having a BV of over 100 would suggest that more than 1 gram of nitrogen was stored for every 1 gram of nitrogen consumed.