Difference between sinanthropus and chimpanzee

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?