What is the mechanism called that pushes blood from the lower veins to the chest veins due to a pressure difference?
a. chest flow
b. chest gradient
c. chest pump
d. respiratory pump
e. respiratory gradient
d
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The potential across a cell membrane has changed drastically, from -90mV to +30mV. In other words,
A. there is a positive charge on the inside of the cell, relative to the outside. B. there is a negative charge on the inside of the cell, relative to the outside. C. the resting membrane potential has been established. D. there is no relative charge difference between the inside and the outside of the cell.
A lay term for the larynx is the ____________________.
Fill in the blank(s) with the appropriate word(s).
Identify the highlighted structure of the large intestine.
The heart is confined within a double-walled serous membrane sac. The part of the membrane that is in contact with the heart is the _____ layer
A. serous B. visceral C. parietal D. synovial E. mesothelial