MICROANATOMY

Detailed explanation-1: -As the site for main cellular respiration processes of citric acid cycle and oxidative phosphorylation, mitochondria matrix are not only the final destiny for O2 but also the site for CO2 production.

Detailed explanation-2: -Carbon dioxide and water go through a series of chemical reactions in the chloroplasts of plants to produce glucose with oxygen as a byproduct. In the leaf of the plant, there are several different tissues. The upper and lower most tissues are composed of small, boxed-shaped cells known as the epidermis.