It’s mass and speed. This is because the equation for Kinetic energy is KE=1/2mv^2
The similarities between bones of humans and other animals shows that every living creature on earth has a common ancestor, even if that common ancestor is as simple as a sing-celled organism.
Store energy, provide metabolic fuel and help in digestion
Answer:
Blood carries the oxygen through out the body and gets re-oxygenated to keep the body going.
Explanation:
Just trust me.
