In an adult heart, the previous location of the foramen ovale is marked by a depression called the ________.
Fill in the blank(s) with the appropriate word(s).
fossa ovalis
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A champion weight lifter picks up a pencil. A minute later she picks up a sixty-pound object using the same muscles. What was different about the two movements?
Also, what are the differences (at the cellular and molecular levels) in her arm muscles as compared to those of a weaker, untrained person? What will be an ideal response?
The parietal cells of the gastric mucosa secrete
a. HCl. b. pepsinogen. c. intrinsic factor. d. both HCl and pepsinogen. e. both HCl and intrinsic factor.
Which of these is an example of an EPSP in a typical neuron?
A. A voltage change from 0 mV to +0.35 mV B. A voltage change from +35 mV to 0 mV C. A voltage change from -70 mV to -70.5 mV D. A voltage change from -69.5 mV to -70 mV E. A voltage change from -70 mV to -69.5 mV
The signals that control your handwriting travel down the spinal cord in the ________ tracts.
A. medial vestibulospinal B. corticospinal C. tectospinal D. lateral vestibulospinal E. spinocerebellar