The pulse rate is a measurement of the heart rate, or the number of times the heart beats per minute. As the heart pushes blood through the arteries, the arteries expand and contract with the flow of the blood. The normal pulse for healthy adults ranges from 60 to 100 beats per minute.
Health Hazards of Sewer Gas Backing up in the House Sewer gas is a mix of both toxic and nontoxic gases created by the decomposition of household and industrial waste. Gas levels... The Effects of Breathing Methane Gas Methane is a chemical compound composed of one atom of carbon and four atoms of hydrogen (CH4).
Sewer gas is typically restricted from entering buildings through plumbing traps that create a water seal at potential points of entry. In addition, plumbing vents allow sewer gases to be exhausted outdoors. Infrequently used plumbing fixtures may allow sewer gas to enter a home due to evaporation of water in the trap, especially in dry weather.