That waste product would be carbon dioxide.
Where the picture but,The Plasma membrane maintains the homeostasis throughout a cell because it <span>filters what substances go in and out of the cell. </span>
Lavoisier would have taken mercury and heated it up to 350 degrees centigrade in air and then found that a new compound was formed a red or yellow mineral which would be mercury oxide so the experimental observation would be the change in color of the mercury and the formation of a mineral with different properties from pure mercury.
The answer is calcaneus (heel bone) :)
