Answer: A Concussion is when you add violent movement to the brain, this causes the brain to move inside the head and bump against the skull. As a result, neurons are damaged and the brain may bruise at the site of impact.
cause: A Concussion is caused by a blow to the head or a violent shaking of the head and body.
I'm only is 7th grade so i hope this helps! :)
definitely laziness
laziness is not a factor in efficiency.
It has greatly effected the life expectancy by introducing new machines used to cure/ research diseases.
C getting regular medical checkups
These are my answers they might not all be right.
1. Motion
2. Speed
3. 2nd
4. Reaction
5. Linear
6. Force
7. Clockwise
8. True
9. False
10. Both linear and rotary
Hopefully they are all correct !
