Answer:
The definition is this; temporary unconsciousness caused by a blow to the head. The term is also used loosely of the aftereffects such as confusion or temporary incapacity.
and some symptoms are headache, ringing in the ears, nausea, vomitting, fatigue, and blurry vision
Explanation:
A put down. This would mean insulting someone
Bone Marrow contributes to the production of red blood cells (RBC's)
