I have a surious question
What causes a concussion?

They can be caused by a bump, blow, or jolt to the head. Concussions can also occur from a fall or a blow to the body that causes the head to move rapidly back and forth

Explanation:

Explanation:

A concussion is a mild form of traumatic brain injury (TBI) caused by a bump, blow, or jolt to the head. Concussions can also occur from a fall or a blow to the body that causes the head to move rapidly back and forth. Doctors may describe these injuries as “mild” because concussions are usually not life-threatening.

answer(d) call 911;