Question

Do all cells in our body look alike in terms of shape and size and structure ?what similarity do they have?

Answer 1

 There are about 200 different cell types which perform different functions. They contain different organelles. They have also different shapes and sizes. They are located in different parts.

 SIMILARITY :-All cells need Oxygen. They breathe. All cells have mitochondrion where Oxygen and parts of food give rise to energy. All cells divide themselves for growth and also repair of damaged cells.