A. secretion of hormones
B. transportation by blood to a target organ
C. having a specific effect
D. release of secretion into ducts
Correct Answer:
Option D – release of secretion into ducts
A. secretion of hormones
B. transportation by blood to a target organ
C. having a specific effect
D. release of secretion into ducts
Correct Answer:
Option D – release of secretion into ducts
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