Cell differentiation<span> is how generic embryonic </span>cells <span>become specialized </span>cells. This occurs through a process<span> called gene expression. Gene expression is the specific combination of genes that are turned on or off or also known as expressed or repressed, and this is what dictates how a </span>cell<span> works. </span>
Hemoglobin causes the substance to form long rods in the red blood cell as the hemoglobin releases oxygen
Anything containing <span> electricity </span> or magnetism. For example would be drinking water because that is the result of the electromagnetic force holding those hydrogen and oxygen atoms together.
Blood vessels keeps clots from sticking as long as their endothelium is intact and healthy.
