The pain produced in an internal organ may be
perceived as occurring somewhere else. This
phenomenon is called
a. mixed nerve messages.
b. referred pain.
c. phantom pain.
d. psychosomatic pain.
e. hypochondria.
Answer: b
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In all vertebrates with four-chambered hearts, the ________ receives oxygenated blood directly from the ________.
A. left ventricle, left atrium B. left ventricle, lungs C. right ventricle, right atrium D. right ventricle, lungs E. left atrium, left ventricle
Summarize and give examples of the relationship between heritability and correlation coefficients and explain how each is calculated
What will be an ideal response?
The existence of a separate set of enzymes and DNA molecules in mitochondria and chloroplasts provide support for
serial endosymbiosis. __________________ Indicate whether the statement is true or false.
You put a solution of sucrose into a bag of dialysis tubing, which is permeable to water but not to sucrose. You then put this bag into a beaker of water. An hour later, you observe that the bag has swelled due to
A. passive transport of sucrose molecules. B. the pressure exerted on the bag by the surrounding water. C. the high osmolarity of the surrounding water. D. active transport of water molecules. E. the osmotic pressure of the sucrose solution.