Cells relate to your genes via genetic code. The genetic code is also what tells the cells what type of cell to become (brain cell, stomach cell, etc.)
When you get a bruise, capillaries the smallest blood vessels get busted and release blood which will be trapped beneath the skin as a result of the trauma or impact which may be a blow or a cut
Your answer is D I hope this helps ^^
They have a large number of Mitochondria. <span />
