Because it produces less ________, the skin of older individuals is paler and more susceptible to sunburn than that of younger individuals.

What will be an ideal response?


melanin

Anatomy & Physiology

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Like humans, pigs have a common iliac artery that gives rise to the external and internal iliac arteries

A) True B) False

Anatomy & Physiology

In these views of the trachea, what structure does number 1 indicate?

A.  Trachealis muscle B.   Thyroid cartilage C.   Cricoid cartilage D.  Anular ligament E.   Tracheal cartilage

Anatomy & Physiology

The layer that is below the dermis and contains fat and blood vessels is called the:

a. dermal papillae b. stratum germinativum c. stratum corneum d. subcutaneous layer

Anatomy & Physiology

The apical ectodermal ridge

A.  forms at the proximal end of each limb bud. B.  plays a role in differentiation and elongation of the limb. C.  ossifies prior to formation of the hand and foot plates. D.  must undergo apoptosis before the limb can develop. E.  secretes mesoderm for muscle formation.

Anatomy & Physiology