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Answer:
The blood volume of an average-sized adult human is approximately:
<em>b) 4-6 liters</em>
Explanation:
Blood volume is the total amount of fluids present in the circulatory system of a person. The normal blood volume in a person can variate according to the person's hydration, size, weight, and amount of blood components (blood cells, platelets, and plasma).
Answer:
tbh i think it is A
Explanation:
because they cant breath while choking, cant cough while choking cause they already are and people blink over 2 million times a day.
Answer:
Sinus cavities allow for voice resonance
They help filter and add moisture to any air that is inhaled through the nasal passages and in the removal of unwanted particles from the sinus cavities.
Sinus cavities lighten the skull.
Explanation:
Sinus infection tooth pain occurs when the fluid that builds up in the sinus cavities during a sinus infection puts pressure on your upper teeth.
