Friedrich Miescher he discovered DNA and found a substance called nuclein which was present in every cell type he tested.
All of those systems are vital for a person to survive. If an organ stopped functioning it could cause you to die unless it is your liver and a few others.
Answer:
Osmosis is the process cells use to move water molecules in and out of the cell through the cell membrane. When cells are put in different environments they will try to maintain an equilibrium with the water concentration outside the cell. Through osmosis the cell will lose or gain water molecules to become equal to the concentration in their environment.
Explanation:
Simple epithelial is the specialized tissue that allows for the rapid diffusion of gasses and nutrient across cells
