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.
2. Bacterial cells are much smaller than human cells, and there are at least ten times as many bacteria as human cells in the body (approximately 1014 versus 1013). An adult human being has approximately 100 000 billion cells, all originating from a single cell, the fertilized egg cell.