why do we need air?

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2006-12-03 08:23:31 · 3 answers · asked by Anonymous in Environment

In air is O2, which is needed when burning our food. It's transported with our blood.

2006-12-03 09:00:16 · answer #1 · answered by · 5 · 0⤊ 0⤋

Our bodies need oxygen to keep the biological fire going.

2006-12-03 08:32:24 · answer #2 · answered by spir_i_tual 6 · 0⤊ 0⤋

To fill basketballs.

2006-12-03 11:36:46 · answer #3 · answered by formerly_bob 7 · 0⤊ 0⤋