two substances that need to be transported out of all kinds of animal cells, in order for them to survive:?

1 ⤊

biology, animal cells

2007-11-17 13:42:04 · 4 answers · asked by Dee Dee 1 in Science & Mathematics ➔ Biology

CO2 and ammonia

2007-11-17 13:45:30 · answer #1 · answered by OKIM IM 7 · 1⤊ 1⤋

CO2 and urea

2007-11-17 13:45:42 · answer #2 · answered by Gaines T 3 · 0⤊ 0⤋

carbon dioxide and waste?
maybe waste includes carbon dioxide

2007-11-17 13:44:37 · answer #3 · answered by Anonymous · 0⤊ 0⤋

i know waste is one for sure. i dont know the other one thou.

2007-11-17 14:02:55 · answer #4 · answered by Anonymous · 0⤊ 0⤋