Answer:
Leave the blower running for ventilation while anyone is inside. Running the Silo blower for 15 to 45 minutes before entering the silo and while you are in the silo will help remove silo gas, but this is not a substitute for a self-contained breathing apparatus.
Explanation:
I believe that the answer is D.
The correct answer is:
Oxygenated blood to the body
Explanation:
An artery meaning 'windpipe, the artery is a blood vessel that carries blood aside from the heart to all parts of the body (tissues, lungs, etc). Most arteries transport oxygenated blood; the two differences are the pulmonary and the umbilical arteries, which transport deoxygenated blood to the organs that oxygenate it. The adequate arterial blood volume is that extracellular fluid which stretches the arterial system.
