Which is not a function of the integument?
A. Temperature regulation
B. Protection
C. Synthesis of cholecalciferol (vitamin D precursor)
D. Water loss prevention
E. No exceptions; all are functions of the integument
Answer: E
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The vessel(s) associated with the left atrium is/are the
A. pulmonary trunk. B. SVC, IVC. C. aorta. D. pulmonary veins.
In regards to hair cells involved in vertebrate hearing organs, we know that
A) Stereocilia are connected to each other by small fibers. B) Mechanosensitive ion channels at the tips of stereocilia are all closed at rest. C) The 9 + 2 arrangement of stereocilia allow for free bending to improve sound resolution. D) Their bending always causes an increase in firing in the primary afferent.
Random, uncoordinated excitation and contraction of cardiac cells is known as __________
Fill in the blank(s) with correct word
The largest total cross-sectional area is found in the
a. aorta b. arterioles c. capillaries d. venules e. veins