Insulin is a hormone produced by the pancreas and helps to regulate the concentration of __________ in the blood.
2 answers:
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Answer: the male duct system is a series of ducts the sperm passes through during ejaculation. these are the components of the male duct system epididymis, ductus deferens, ejaculatory duct, and urethra.
Explanation: Below is a diagram of the male duct system
