How do human cells get the things they need to survive?

Answer 1

Human beings derive nutrition from the food they eat. The food eaten is converted into simple organic substances by process of digestion. They are then absorbed into the blood stream where the are then transported by blood to various cells of the body.

Answer 2

Human cells get the things they need to survive through processes such as diffusion and active transport. Nutrients and other essential molecules are taken up into the cell from the surrounding environment through the cell membrane. Once inside, these molecules are utilized by the cell in various metabolic pathways to generate energy and perform necessary functions for cell survival.