Urine flows through the organs of the urinary system in the following sequence:
a. ureter, kidney, bladder, urethra
b. kidney, bladder, ureter, urethra
c. kidney, urethra, bladder, ureter
d. kidney, ureter, bladder, urethra
d. kidney, ureter, bladder, urethra
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The medial pathway that controls involuntary movements of head, neck, and arm position in response to sudden visual and auditory stimuli is the ________ tract
A) lateral corticospinal B) tectospinal C) rubrospinal D) reticulospinal E) vestibulospinal
What is the most likely reason humans have only two nipples?
A. Our primate ancestors probably had litters. B. Primates generally have only one offspring. C. Having two nipples is associated with upright walking (bipedality). D. Most mammals have only two nipples. E. The number of nipples was reduced in humans due to sexual selection.
The plasma is about 50% water
Indicate whether the statement is true or false
In water, phospholipids tend to form tiny droplets with hydrophobic tails buried inside called
A) micelles. B) chylomicrons. C) glycocalyces. D) eicosanoids. E) hydroceles.