Thymosin and thymopoietin assist in the maturation of __________.
Fill in the blank(s) with the appropriate word(s).
T lymphocytes
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Which of the following is not true of the left phrenic nerve?
A) It traverses the superior mediastinum between left subclavian and common carotid arteries. B) It crosses anterior to the arch of the aorta. C) It passes posterior to the root of the left lung. D) It supplies motor fibers to the diaphragm. E) It pierces the diaphragm.
At the end of a hair's growth cycle, the follicle does which of the following?
A) becomes smaller B) sloughs off the old hair when the cycle begins again C) becomes inactive D) loses connection to the hair matrix E) All of the answers are correct.
The integrating center for the negative feedback loop that regulates body temperature is the
A) brain. B) skin. C) temperature receptor. D) positive feedback center. E) thermostat.
Chylomicrons are secreted from the basal surface of the absorptive cells and taken into the lacteal in the villus
Indicate whether the statement is true or false