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.
Similarities: 1.Both are very small (measured in nanometers) 2.Both can cause disease, or are pathogens. Although some bacteria do not cause disease. Differences: 1.Ba â¦ cteria are present everywhere, including the human body. 2.Viruses need a host cell in order to live.They cannot replicate without a host cell.imilarities: 1.Both are very small (measured in nanometers) 2.Both can cause disease, or are pathogens. Although some bacteria do not cause disease. Differences: 1.Ba â¦ cteria are present everywhere, including the human body. 2.Viruses need a host cell in order to live.