What is the purpose of cornification?

A. To protect the skin from pathogens
B. To allow skin to feel fine touch
C. To give the skin color
D. To form a durable, waterproof layer on the surface of the skin


Answer: D

Anatomy & Physiology

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Tubular ____________________ and tubular ____________________ are selective processes that occur in the nephron

Fill in the blank(s) with correct word

Anatomy & Physiology

Atrial natriuretic peptide (ANP) reduces blood volume and pressure by:

blocking release of ADH stimulating peripheral vasodilation increased water loss by kidneys decrease thirst all of the choices are correct

Anatomy & Physiology

When two action potentials arrive simultaneously at two different presynaptic terminals that synapse with the same postsynaptic neuron,

A. hyperpolarization occurs. B. temporal summation occurs. C. the direction of the action potential is reversed. D. spatial summation occurs. E. threshold is never reached.

Anatomy & Physiology

Which function of the lymphatic system relates to circulation?

A. Defense against disease B. Fluid balance C. Immunity D. Lipid absorption

Anatomy & Physiology