Which of the following major layers of the digestive tract is described as a layer of dense irregular connective tissue filled with blood vessels and the plexus of Meissner?

a. muscular externa
b. submucosa
c. mucosa
d. serosa


Answer: b. submucosa

Anatomy & Physiology

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The two divisions of the skeleton are called axial and ________.

Fill in the blank(s) with the appropriate word(s).

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Tetanus toxin

a. binds with glycine receptors, thus blocking the action of this inhibitory neurotransmitter b. destroys dopamine in the region of the brain involved in controlling complex movements c. prevents the release of GABA that inhibits neurons that innervate skeletal muscle cells d. promotes presynaptic facilitation e. causes IPSPs to occur on skeletal muscle cell membranes

Anatomy & Physiology

Identify the pancreas in the following figure

A) A B) B C) C D) D

Anatomy & Physiology

What nonviable cell is produced by oogenesis?

A. Sustentacular cell B. Follicle C. Corpus luteum D. Ovum E. Polar body

Anatomy & Physiology