In the given diagram, structure 4 is labeled. Identify its function:
Correct answer: A. Produces sperm
- A. Produces sperm
- B. Stores sperm
- C. Secretes testosterone
- D. Conducts urine and semen
Explanation
Structure 4 is the testis, responsible for sperm production and testosterone secretion.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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