Answer:
A concussion is a mild traumatic brain injury caused by a bump, blow, or jolt to the head or by a hit to the body that causes the brain to move rapidly back and forth.
Symptoms Include: Headache, ringing in the ears, nausea, vomiting, blurry vision, fatigue or drowsiness
Explanation:
Answer:
Gases exchanged in the lungs are carried by the blood.
Explanation:
<span>What muscle circles the eyes socket and closes the eyelid?
<span>The orbicular muscle</span></span>