Multiple choice general knowledge science & technology

Which hormone is responsible for ejection of milk ?

  1. Oxytocin

  2. Prolactin

  3. Thyroxine

  4. Testosterone
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A Correct answer
Explanation

Oxytocin is the hormone responsible for milk ejection (let-down reflex) during lactation. It causes the muscles around the milk-producing cells to contract, pushing milk into the ducts. Prolactin is responsible for milk production, not ejection. Thyroxine regulates metabolism and testosterone is a male sex hormone.

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