Cells make up tissue, tissue makes up organs, organs make up systems, systems make the human body.
Humans have adapted by having strong legs because the gravity are feet help us walk on the terrain
we have are hands to grab things to survive so you can pick things up so you you can survive in the world to climb and pick things up to use
we have are hands to grab things to survive so you can pick things up so you you can survive in the world to climb and pick things up to use