Which statement best describes a major different between sheep lungs and human lungs?
A) Sheep lungs have more hyaline cartilage than human lungs.
B) Sheep lungs have more lobes than human lungs.
C) Sheep lungs are divided into right, left, and intermediate lungs.
D) Sheep lungs do not have separate right and left pulmonary arteries.
Answer: B
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Which statement about movement into the cytosol is false?
a. If glucose and sodium can both combine with the same carrier, the presence of one of these molecules decreases the rate of entry of the other. b. In simple diffusion, the rate of entry of an ion is directly proportional to its concentration in the cytosol. c. When a glucose symporter becomes saturated, the rate of glucose entry decreases. d. None of the statements are false. e. All of the statements are false.
In the breathing cycle, the atmospheric pressure normally does not change
Indicate whether the statement is true or false
The figure illustrates events at a chemical synapse. What does "A" represent?
A. Presynaptic terminal B. Synaptic vesicle C. Synaptic cleft D. Postsynaptic membrane E. Voltage-gated Ca2+ channel
Since urine contains dissolved solutes, it has ________ specific gravity than (as) water
A) a higher B) a lower C) the same