Arteries carry the oxygen-rich blood, veins carry the oxygen-poor ones
Your nerves go into your bone, I know it sounds crazy but its true, your Skeletal system is mixed with your nerves, it helps you function, without your nerves going into your bones we couldn't be able to feel if a bone is hurting or if you are getting hurt without your nerves you couldn't feel pain your nerves help you feel pain and where the pain is coming from.
Since sea otters can easily adapt to new environments they will grow into it and learn how to survive. they are quick learners trust me
By the ages of globular clusters astronomers confirm the existence of dark ENERGY.
By detecting very hot gas in galaxy clusters that emits X-rays <span>astronomers confirm the existence of dark MATTER.</span>
