Our vessels lose elasticity as we age, as happens in arteriosclerosis. Which vessel layer is affected?

A) tunica intima
B) tunica externa
C) tunica media
D) tunica adventitia


C

Anatomy & Physiology

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Which of the following is incorrect pertaining to the esophagus?

A) Typically it joins with the stomach at the T11 level. B) GERD (gastroesophageal reflex disorder) is associated with pyrosis (heartburn). C) Esophageal varices are associated with blockage of the inferior vena cava. D) The esophagus is innervated by the vagal trunks and thoracic sympathetic splanchnic nerves. E) Its abdominal part is typically supplied by the left gastric artery.

Anatomy & Physiology

The ________ is the part of the sperm that contains the enzymes necessary for fertilization.

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

Anatomy & Physiology

Slow-wave sleep occurs in three stages, each displaying progressively slower EEG waves of higher frequency

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology

Calcitonin is a hypocalcemic hormone while parathyroid hormone (PTH) is a hypercalcemic hormone

Indicate whether the statement is true or false

Anatomy & Physiology