The presence of ________ dramatically increases the speed at which an action potential moves along an axon

A) a capsule
B) plasma protein
C) neurilemma
D) glial cells
E) myelin


E

Anatomy & Physiology

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Which cranial nerve is vital for the functioning of the visceral organs?

A. Hypoglossal B. Abducens C. Glossopharyngeal D. Vagus

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Breathing helps facilitate return of lymph by creating a positive pressure in the thoracic cavity.

a. true b. false

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The salivary glands that produce secretions rich in salivary amylase are the

A) sublingual glands. B) submandibular glands. C) lingual glands. D) parotid glands. E) submaxillary glands.

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The ________ in the pulmonary circuit carry deoxygenated blood.

A. veins B. arteries

Anatomy & Physiology