Which of the following statements explains the observation that dye diffuses more quickly as temperature increases?
A) Random motion of particles decreases as temperature increases.
B) Random motion of particles increases as temperature decreases.
C) Random motion of particles decreases as temperature decreases.
D) Random motion of particles increases as temperature increases.
D
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The subclavian artery becomes the ________ as it passes through the armpit
A) brachial artery B) axillary artery C) radial artery D) ulnar artery
A passive process that involves movement of substances from an area of higher concentration to an area of lower concentration is called ________.
Fill in the blank(s) with the appropriate word(s).
The majority of postganglionic sympathetic neurons release ________.
A. acetylcholine B. epinephrine C. dopamine D. norepinephrine
The heart is contained within the ________ cavity, whereas the lungs are in the ________ cavities
A) thoracic; pericardial B) mediastinum; pleural C) pericardial; pleural D) peritoneal; pleural