Figure 1.1

Levels of Structural

Organization

Process Diagrams Step-by-Step

Copyright © 2007 by John Wiley & Sons, Inc.

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

Molecule (DNA)

1

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

2CELLULAR LEVEL

Molecule (DNA)

Smooth muscle cell

12

3

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

2CELLULAR LEVEL

Molecule (DNA)

Smooth muscle cell

Smooth muscle tissue

TISSUE LEVEL

12

3

3

4

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

2CELLULAR LEVEL

Molecule (DNA)

Smooth muscle cell

Smooth muscle tissue

Stomach

Epithelialtissue

ORGAN LEVEL

TISSUE LEVEL

Smooth muscletissue layers

12

3

4Serousmembrane

3

4

5

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

2CELLULAR LEVEL

Molecule (DNA)

Smooth muscle cell

Smooth muscle tissue

SYSTEM LEVELEsophagus

LiverStomach

Small intestine

Large intestine

Digestive system

Stomach

Epithelialtissue

ORGAN LEVEL

TISSUE LEVEL

Smooth muscletissue layers

12

3

4

5

PancreasGallbladder

Serousmembrane

3

4

5

1CHEMICAL LEVEL

Atoms (C, H, O, N, P)

2CELLULAR LEVEL

Molecule (DNA)

Smooth muscle cell

Smooth muscle tissue

ORGANISMAL LEVEL

SYSTEM LEVELEsophagus

LiverStomachPancreasGallbladderSmall intestine

Large intestine

Digestive system

Stomach

Epithelialtissue

SerousmembraneORGAN LEVEL

TISSUE LEVEL

Smooth muscletissue layers

12

3

4

5

6