Why do we exhale more carbon dioxide than we inhale?

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. The carbon dioxide is dissolved in the blood, carried to the lungs by the circulation, and breathed out.

because our bodies take in O and put out  CO2

Explanation:

O is Oxygen

and CO2 is Carbon dioxide

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.