It is the repiratory and the circulatory
I would say down wind side but I'm not 100% sure
Answer:
Cells can generate from nonliving matter,
Explanation:
He concluded that only living cells can produce cells/ only life can produce life. so if the fact that cells can generate from matter that is not living, it would disprove his theory because his theory was that only living things can produce living things.
1983-1984 was when it was discovered
