The answer is mitochondria
Proteins
Proteins are used for cellular repairing and chemical processes. Ribosomes are one of the most important organelles in the cell, mostly part of the rough endoplasmic reticulum. It manufactures enzymes such as proteins which will be utilized by many organelles in the cell. Microtubules are one, responsible for the framework and acts as a skeleton of the cell –cytoskeleton needs proteins, also cytoplasm and other organelles of the cell. For a prokaryote or a eukaryote cell to survive, they need protein.<span> Fundamentally, the cell would cease to function and possibly die</span>
<h3>Sunscreen </h3>
If you put sunscreen on when at the beach you won't have a burn.
The answer is A), B) and F).
The main function of the heart is to pump blood throught all the body, and in that way ensure that all the body tissues recives oxygen. Also it moves the blood with out oxygen to the lungs to reoxygenate it.
