The mitochondria, in ancient times, used to be a species of it's own. Until one day a unicellular organisms gobbled up a mitochondria and digested it. The mitochondria continued doing it's mechanical functions. (like protein synthesis etc..) Therefore, mitochondria is a living being on it's own sense and hence needs the essential nutrients (like all living beings do) to continue doing it's mechanical functions.
The correct answer would be D. Oxygen-rich blood is carried in the aorta from the left ventricle to the body
Exercise<span> stresses the muscles which creates growth factors. This contributes to brand new brain cells and it increases the number of pathways for oxygen, energy, and to remove waste from the brain. Aerobic </span>exercise<span> is the most beneficial type of </span>exercise<span> on the </span>nervous system<span>.</span>
Answer:
Need to go to a doctor
Explanation:
There are a lot of asumptions and with that same symptoms