When you travel in an elevator, what senses when the elevator is moving?
A) The outer hair cells of the basilar membrane
B) The hair cells of the otolithic membrane of the macula utriculi
C) The hair cells of the otolithic membrane of the macula sacculi
D) The hair cells of the tectorial membrane
E) The inner hair cells of the basilar membrane
C
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The primary function of the pericardial sac is to
a. prevent excessive expansion of the heart as it fills with blood b. secrete a fluid that reduces friction as the heart beats c. serve as a reservoir for blood to be used during strenuous exercise d. provide oxygen and nutrients to the heart muscle e. catch and kill any bacteria in the blood flowing through the heart chambers
The ________ is the amount of heat required to raise the temperature of one cubic centimeter of water one degree on the Celsius scale.
A. calorie B. meter C. boiling point D. specific heat
the double-layered serous membrane found in the abdominopelvic cavity is the _______.
Fill in the blank(s) with the appropriate word(s).
Chemoreceptors that respond to chemical changes in the external environment are called ________.
A. exteroceptors B. proprioceptors C. interoceptors D. nociceptors