Pectoral Girdle and Upper Limb

MATERIALS NEEDED

textbook human skeleton, articulated human skeleton, disarticulated

For Optional Activity:

colored pencils

The pectoral girdle consists of two clavicles and two scapulae. These parts function to support the upper limbs and to serve as attachments for various muscles that move these limbs.

Each upper limb includes a humerus, radius, ulna, and several carpals, metacarpals, and phalanges. These bones form the framework of the arm, forearm, and hand. They also function as parts of levers when the limbs are moved.

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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