8 Chapter 1
Atom
Molecule
Cell
Muscle Tissue
Organ
Organ
system
Organism
Hydrogen and Oxygen
Water
Skeletal muscle cell
Skeletal muscle tissue
Skeletal muscle
of upper arm
–
+
H
H O
Dense connective tissue
(tendon)
Biceps brachii muscle
Skeletal muscle tissue
Muscular system
Human being
(^) ®
Learning
Cengage ©
Figure 1- 5 The structural levels of organization of the
body.