Multiple Choice
By secreting hormones, the thymus causes which cells to become immunocompetent?
A) T lymphocytes
B) B lymphocytes
C) macrophages
D) monocytes
Correct Answer:

Verified
Correct Answer:
Verified
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Q107: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7561/.jpg" alt=" Use this illustration
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