The man couldnt be the dad because there is no B in the mother or father genotype. the dads genotype is ii.
I am not entirely sure, but i think it would be the respiratory system because plants produce oxygen after taking in carbon dioxide, and that is similar to the human respiratory system. I am not completely sure though. hope this helps!
A and b are cells so they definitely are not bacterium so c and d are bacterium I think. Your welcom.
<span>In order for the muscle fatigue to end the muscle cells must be provided with oxygen to 'burn' the lactic acid.
Hope this helps!
-Payshence xoxo</span>
