Principles of
Anatomy and
Physiology
14th Edition
CHAPTER 3
The Cellular Level of
Organization
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, What is a Cell?
Cell Theory
Every organism is composed of one or more cells
The cell is the smallest unit having the properties of life
All cells come from pre-existing cells
, Introduction
The purpose of the chapter is to:
1. Introduce the parts of a cell
2. Discuss the importance of the plasma
membrane
3. Discuss the components of the cytoplasm
4. Compare and contrast mitosis and meiosis
5. Understand the effects aging has on the cell
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Parts of a Cell
The cell can be subdivided into 3 parts:
1. Plasma (cell) membrane
2. Cytoplasm
▪ Cytosol
▪ Organelles
3. Nucleus
▪ Chromosomes
▪ Genes
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
Anatomy and
Physiology
14th Edition
CHAPTER 3
The Cellular Level of
Organization
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, What is a Cell?
Cell Theory
Every organism is composed of one or more cells
The cell is the smallest unit having the properties of life
All cells come from pre-existing cells
, Introduction
The purpose of the chapter is to:
1. Introduce the parts of a cell
2. Discuss the importance of the plasma
membrane
3. Discuss the components of the cytoplasm
4. Compare and contrast mitosis and meiosis
5. Understand the effects aging has on the cell
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.
, Parts of a Cell
The cell can be subdivided into 3 parts:
1. Plasma (cell) membrane
2. Cytoplasm
▪ Cytosol
▪ Organelles
3. Nucleus
▪ Chromosomes
▪ Genes
Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.