The main cells of the stomach secrete:

(A) mucus
(B) chlorides
(C) pepsinogen
(D) pepsin


Ans: (C) pepsinogen

Anatomy & Physiology

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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

Increase in stimulus intensity _______

A) increases the size of the action potential B) has no effect on action potentials C) increases the frequency of action potentials D) increases the duration of the action potential

Anatomy & Physiology

The concentration of a hormone in the blood can affect the number of receptors for that hormone on or in a target cell

Indicate whether the statement is true or false.

Anatomy & Physiology

Where in the diagram can you find red bone marrow in an adult?

a) D b) A and B c) A and C d) C e) E

Anatomy & Physiology