A myelinated nerve fiber is ______, whereas an unmyelinated nerve fiber is ______
A) gray, and composing the gray matter of the brain and spinal cord; white, and
composing the white matter of the brain and spinal cord
B) white, and composing the gray matter of the brain and spinal cord; red, and
composing the white matter of the brain and spinal cord
C) white, and composing the gray matter of the brain and spinal cord; gray, and
composing the white matter of the brain and spinal cord
D) white, and composing the white matter of the brain and spinal cord; gray, and
composing the gray matter of the brain and spinal cord
D
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The variables of oxygen consumption, cardiac output, and blood oxygen content are unrelated.
A) True B) False
In which region(s) of the GI tract do peristaltic contractions occur?
A. The esophagus B. The small intestine C. The stomach D. The large intestine E. All of these options are correct.
In smooth muscle, Ca2+ binds with the protein ____________________, which is structurally similar to troponin
Fill in the blank(s) with correct word
In the diagram of a hair root shown, where is the dermal root sheath?
a) C b) D c) E d) F e) G