Testosterone is involved in production of primary sex organ in male:
Correct answer: A. Before birth
- A. Before birth
- B. After puberty
- C. After birth
- D. Before puberty
Explanation
ln fetus, the testosterone hormone initiates the development of primary sex organs but at puberty its secretion helps in the development of secondary sex characters.Based on the explanations provided, the correct answer to the question is option A) Before birth.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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