Cells: An Introduction

In this virtual journey through the cell, viewers become familiar with cells and their properties. The program describes and shows examples of cells of many shapes and sizes, and explores the structure and functions of different types of cells. Eukaryotes and prokaryotes are defined, and plant and animal cells are compared. Emphasizing cells as the basic building blocks of all organisms, this segment describes the organization of cells and the formation of tissues, organs and systems. Part One concludes with an overview of the organelles and their functions.