Cell : The Fundamental Unit Of Life
Cell : The Fundamental Unit Of Life
Imagine building a house. You need bricks, cement, wood, and many other
things. But the most basic building block of that house is a brick. In the
same way, for every living thing on Earth – from the tiniest bacterium to the
largest whale – the most basic and fundamental building block is something
called a cell .
Cells are amazing. They are like tiny, self-contained factories that can
perform all the necessary functions for life, such as getting energy, growing,
and reproducing.
1. The Discovery of Cells and Cell Theory
Our journey into the world of cells began when microscopes were invented.
Robert Hooke (1665): He was the first person to see cells.
He looked at a thin slice of cork under his primitive microscope and saw
small, box-like compartments that reminded him of the cells in a monastery.
That’s how the name "cell" came about.
Anton von Leeuwenhoek (1674): He observed living cells like
bacteria …
