A hair shaft is composed of

A) melanin.
B) carotene.
C) starch.
D) lipid.
E) keratin.


E) keratin.

Anatomy & Physiology

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The penis contains three elongated cylinders of erectile tissue. Select the most dorsal tissue

A) corpora cavernosa B) corpus spongiosum C) corpus circularis dorsalis D) corpora elongus ventralis

Anatomy & Physiology

Simple sugars fed to a cow are utilized in the ________________________________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Keratinization

A. produces a layer of cells that resist abrasion. B. does not affect permeability characteristics of the epidermis. C. determines skin color. D. results in the formation of new epidermal cells. E. occurs in the dermis.

Anatomy & Physiology

The common junction of the digestive, urinary, and genital systems is the ________.

A. allantois B. anus C. coelom D. hindgut E. cloaca

Anatomy & Physiology