Oogenesis differs from spermatogenesis because in oogenesis:
a. the end product is a cell containing 46 chromosomes
b. the end product is a cell containing 23 chromosomes
c. polar bodies are produced
d. none of the above
c. polar bodies are produced
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After a day or two of suffering from a viral infection, you notice an area of swelling and pressure under your ribs on the left side, near the stomach and under the lungs. The enlarged organ must be the ________.
Fill in the blank(s) with the appropriate word(s).
The upper esophageal sphincter is the _________ sphincter and the lower sphincter is the _________ sphincter
Fill in the blank(s) with correct word
A scientist observes a particular nerve fiber that is among the fastest at conducting action potentials in the body. Which of the following best describes its likely structure?
A. Large diameter and unmyelinated B. Large diameter and myelinated C. Small diameter and unmyelinated D. Small diameter and myelinated
The three primary interrelated changes that occur as exercise begins are:
increasing vasodilation, decreasing venous return, increasing cardiac output decreasing vasodilation, decreasing venous return, decreasing cardiac output increasing vasodilation, increasing venous return, increasing cardiac output decreasing vasodilation, increasing venous return, increasing cardiac output none of the choices are correct