Vitamin K, I believe anyway I may be wrong.
<span>Minute respiratory volume can be computed if one knows <u>TIDAL VOLUME (Vt) </u>and <u>RESPIRATORY RATE (f or RR).</u> Minute respiratory volume is the amount of gas inhaled and exhaled by a person. It is a very important factor to be known in respiratory medicine because it directly related to the volume of carbon dioxide gases present within the blood.</span>
Answer:
A brain concussion
Explanation:
This is the effect when a person suffers a brain knock due to an accident or by playing contact sports like in this case.
Depending how hard was the hit, the brain can suffer different effects, this is due to the lost of the brain liquid that support it. The lost of memory is one of the effects, that can be due to the area that suffer the hit. Depending the are of the brain that was damage.
Hope this info is helpful.