With gases, the driving force of osmosis is produced by the:
a. Molecular weight of the particles
b. Number of particles
c. Partial pressure of dissolved gases
d. Permeability of t
Ans: c. Partial pressure of dissolved gases
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The parasympathetic tone ________.
A) prevents unnecessary heart deceleration B) accelerates activity of the digestive tract C) determines normal activity of the urinary tract D) causes blood pressure to rise
Formation of a platelet plug involves the three successive, closely integrated events of adhesion, __________, and aggregation
Fill in the blank(s) with correct word
Which statement about nitric oxide is incorrect?
a. It increases the total peripheral resistance by its action on arteriolar smooth muscle. b. It relaxes digestive tract smooth muscle. c. It is the direct mediator of penile erection. d. It is released as "chemical warfare" by macrophages of the immune system. e. It serves as a novel type of neurotransmitter in the brain.
Most of the energy contained within food will be lost as heat
Indicate whether the statement is true or false