The sharp, horn-covered, bony projection from the shank of some species of male birds is a/an ____________
Fill in the blank(s) with correct word
spur
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Which one of the following best describes the order of a somatic reflex?
A. Somatic receptor ? interneuron ? afferent nerve fiber ? efferent nerve fiber ? skeletal muscle B. Somatic receptor ? efferent nerve fiber ? interneuron ? afferent nerve fiber ? skeletal muscle C. Somatic receptor ? afferent nerve fiber ? interneuron ? efferent nerve fiber ? skeletal muscle D. Somatic receptor ? efferent nerve fiber ? afferent nerve fiber ? interneuron ? skeletal muscle E. Somatic receptor ? afferent nerve fiber ? interneuron ? efferent nerve fiber ? smooth muscle
Which of the choices below are the most important hormone regulators of electrolyte reabsorption and secretion?
A) angiotensin I and epinephrine B) angiotensin I and atrial natriuretic peptide C) angiotensin II and ADH D) angiotensin II and aldosterone
The "funny bone" is the
A) distal end of the radius. B) head of the ulna. C) medial epicondyle of the humerus. D) head of the radius. E) lateral epicondyle of the humerus.
Which local chemical changes do not occur during a period of increased cell activity?
a. increased CO2 b. increased acid c. decreased adenosine release d. increased K+ e. increased osmolarity