Because oxygen has a low solubility coefficient in water,
A. it is easily dissolved in water and requires only a slight partial pressure gradient to enter the water.
B. it is easily dissolved in water and the partial pressure gradient is irrelevant to its solubilty.
C. it is not easily dissolved in water and requires a steep partial pressure gradient to enter the water.
D. it is impossible to dissolve oxygen into water unless the partial pressure gradient is very minor.
C
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All the veins of the systemic circulation eventually drain into the
a) superior vena cava. b) inferior vena cava. c) coronary sinus. d) superior and inferior vena cava. e) superior and inferior vena cava and coronary sinus.
A __________ system includes feeder pigs that are fed until market weight
Fill in the blank(s) with correct word
Which of the following best describes a motor unit?
A) a section of a myofibril from Z disk to Z disk B) one motor neuron and all the muscle fibers innervated by that neuron C) all of the neurons that unite to make a whole muscle contract D) all of the fascicles innervated by several neurons
At equilibrium there is movement of molecules in all directions, but the concentrations of the particles is the same at all points.
a. true b. false