health help please????

1 ⤊

health help please????

_____involves simply the stage of taking oxygen from the air and returning carbon diodide to it.
A.external respiration
B.internal respiration
C.cellular respiration
D.none of above

2006-11-18 06:48:47 · 5 answers · asked by Anonymous in Education & Reference ➔ Homework Help

5 answers

A is the answer.

2006-11-18 06:50:40 · answer #1 · answered by Anonymous · 1⤊ 0⤋

A is right

2006-11-18 14:57:08 · answer #2 · answered by dj raz 1 · 0⤊ 0⤋

google each answer, isn't that the best way to find out?

2006-11-18 14:55:55 · answer #3 · answered by Roar! 1 · 0⤊ 0⤋

I think it's A.

2006-11-18 14:59:48 · answer #4 · answered by starburst_068815 1 · 0⤊ 0⤋

2006-11-18 14:54:55 · answer #5 · answered by Brenno 6 · 0⤊ 0⤋