In mammalian males, the reproductive and excretory systems share the same urethra.

a. true
b. false


Answer: a. true

Anatomy & Physiology

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Which characteristic is relevant to the endocrine system but not to the nervous system?

a. Releases chemicals into synaptic clefts. b. Chemical signals operate at short distances. c. Speed of response is very rapid. d. Released chemicals may target cells far away. e. Anatomically a "wired" system.

Anatomy & Physiology

When do the accessory respiratory muscles become active?

A. The muscles of expiration are the abdominal and diaphragm muscles. B. The muscles of expiration are the abdominal and internal intercostals muscles. C. The muscles of expiration are the external and internal intercostals muscles. D. Exhalation is a passive process and does not require the action of any muscles

Anatomy & Physiology

Normal passage of blood from the atria to the ventricles only happens if the atrioventricular valves are open.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The arrow in the figure is pointing to which of the following structures? SEE A&P Photo

articular cartilage a secondary ossification center the epiphyseal plate a primary ossification center

Anatomy & Physiology