We breathe in oxygen and some of this carbon dioxide. When we exhale, we breathe out less oxygen but more carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from The carbon in the food we eat. https://www.smh.com.au › ... › Books We breath in ox
We breathe in oxygen and some of this carbon dioxide. When we exhale, we breathe out less oxygen but more carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from the carbon in the food we eat
</span><span>a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder. </span> So the anwser is B.
