How does the brain tell you to do things when you want to ?

Question: How does the brain tell you to do things when you want to ?
- Keywords:
  brain,
  Life Science Centre
Asked by anon-271633 to Neil on 4 Dec 2020.
- Neil Robinson answered on 4 Dec 2020:
  
  The brain sends electrical signals through the nervous system and down our nerves to our muscles. If we wanted to point the brain sends a signal to our finger muscles making them contract and our finger straighten!

Question: How does the brain tell you to do things when you want to ?