Answer:
Headache or pressure in the head.
Nausea or vomiting.
Balance problems or dizziness, or double or blurry vision.
Bothered by light or noise.
Feeling sluggish, hazy, foggy, or groggy.
Confusion, concentration, or memory problems.
Just not feeling right, or feeling down.
Explanation:
Concussion signs are headache, nausea, dizziness, blurry vision, bothered by light or noise, feeling sluggish etc.
"Concussion means temporary unconsciousness or confusion caused by a blow on the head."
"Approximately 80 percent of concussions resolve over seven to 14 days, with an average of 10 days."
To know more about concussion here https://brainly.com/question/3758366
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