The thing that differentiates baseline activities from health-enhancing activities would be that during health-enhancing activities one usually does something which increases the frequency of heart beats much more, compared to a baseline activity.
You can decrease your fat by doing exercise
Oxygen in the air can cause sliced fruit to brown, a process called enzymic browning (an oxidation reaction). Phenols and the enzyme phenolase are found in the cells of the apple, and when these are exposed to oxygen in the air, for example through slicing, the oxygen causes a reaction.
Answer: you might see little block-like structures if you look at any type of cell, if it is a plant cell you were looking at, you would be able to see the cell wall.
