Respuesta :

Answer:

A brain injury caused by a blow to the head or a violent shaking of the head and body.

Symptoms:

Headache,

Loss of memory (amnesia)

Confusion.

Explanation:

hdi90

Answer:

A Concussion is a brain injury where the brain hits the side of the skull some of the symptoms of a concussion my include

- Memory loss

-Migraines

- Unusual sleep cycle

Explanation:

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