Keep in mind that properly vented ventilation fans also suck a lot of heated air out of your house. A remedy is to install a heat-exchange ventilator fan. These fans use warm, outgoing air to heat cooler, incoming replacement air.
The size of a typical bacterial cell is 0.5-5.0 micrometers, a average human cell is 10 micrometers. 8 people found this useful.
Humans Carry More Bacterial Cells than Human Ones You are more bacteria than you are you, according to the latest body census By Melinda Wenner on November 30, 2007