A human egg cell is about .1 millimeters, or .004 inches, in diameter. It is one of the largest cells in the human body and is just barely big enough to be seen without the aid of a microscope. More »

The largest cell is an ostrich egg. An ostrich egg weighs from 3 1/2 to 5 pounds and is about 6 inches long and 5 inches wide. The shell is white and glossy. More »

Cells divide as a way of reproducing or growing or to create sex cells. Cells can only reach a certain size due to a lack of balanced growth between their parts, so they have to divide once they reach a certain point. Se... More »

The largest cell in the world is an ostrich’s egg. Sometimes weighing over 3 pounds, the ostrich’s egg is composed of a single cell, as all other animal eggs are. More »

The largest cell is an ostrich egg. An ostrich egg weighs from 3 1/2 to 5 pounds and is about 6 inches long and 5 inches wide. The shell is white and glossy. More »

The primary limitation on the size to which a single cell can grow is a mathematical principle called the surface to volume ratio. As the size of a three-dimensional object grows, its volume increases more rapidly than i... More »

The basic components of a human cell are the cell membrane, the cytoplasm, the nuclear membrane and the nucleus. Within each of these parts are smaller structures, such as the organelles, which have specialized functions... More »