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.
Cells vary in size based upon their type and function. Your human body, for example, has about 200 different types of cells. An average cell would have a volume of just four billionths of a cubic centimeter with a weight of just one nanogram! Given that tiny size, the human body must have a lot of cells in it.