I'm pretty sure its from the stomach.
A.) Mononucleosis
Mono s<span>preads by saliva.</span>
The answers that applly are
1. Kidneys Filter waste from Blood ( so the waste can be thrown out through urine)
2. Kidnesys reabsorb nutrients from the blood ( During the process of creating urine, so our body doesnt throw out important nutrients for our body)
3. Oxygenate blood ( kidney helps produce blood cells that could deliver oxygen)
Thats all.
The emotional changes cause they might affect you
Answer: He should of used the heel of his hand instead of using his fist.
Explanation: Using the heel of your hand is better than using your fist while doing a compression because this allows you to apply more pressure.