Which vessel branches off from the aortic arch?
What will be an ideal response?
Left subclavian artery
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The large number of myelinated and unmyelinated axons in the white matter of the spinal cord are organized into tracts and ________.
Fill in the blank(s) with the appropriate word(s).
In a 28-day cycle, estrogen levels peak at __________.
a. day 1 b. day 7 c. day 14 d. day 28
An elderly neighbor was diagnosed with an astrocytoma tumor in the brain. This cancer affects what types of cell?
a. ependymal cells b. microglia c. astrocytes d. satellite cells
Which of the following factors would increase the amount of oxygen discharged by hemoglobin into peripheral tissues?
A) decreased temperature B) decreased pH C) increased tissue PO2 D) decreased amounts of BPG E) None of the answers is correct.