The Skeleton

As shown in Figure 45-3, the human skeleton is composed of two parts—the axial skeleton and the appendicular (AP-uhn-DIK-yuh-luhr) skeleton. The bones of the skull, ribs, spine, and sternum form the axial skeleton. The bones of the arms and legs, along with the scapula, clavicle, and pelvis, make up the appendicular skeleton.

Cranium

Maxilla

Mandible

Cervical vertebrae

Clavicle

Scapula

Sternum

Ribs

Humerus

Lumbar vertebrae

Radius

Ulna

Pelvis

Carpals

Metacarpals

Phalanges

Sacral vertebrae

Pubis

Femur

Patella

Tibia

Fibula

Tarsals

Metatarsals

Phalanges

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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