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After completing the first three modules in the section entitled Human Reproduction, you should be familiar with the male and female reproductive systems and with the different events associated with puberty and gamete production. Answer the following ten questions and submit the completed assignment to your instructor.
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Corrections
1. The following illustration shows the male reproductive system. Name the parts identified by a letter and briefly describe the role of each one.
Mark:
/10
2. Five of the following terms in parentheses (acrosome, nucleus, cytoplasm, corona radiata, flagellum, oocyte, zona pellucida) are associated with the female gamete. Match each of these terms with the corresponding letter in the illustration below.
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3. Each of the two statements below describes an aspect of the onset of puberty in adolescent boys and girls. Both statements contain a factual error. Correct the errors.
a) The voice change is characterized by a higher voice tone. b) Some of the sexual characteristics that appear during puberty are common to both boys and girls. These include development of the genital organs, the appearance of body hair, breast growth and voice changes.
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4. The process of hormonal regulation of testicular activity occurs in two main stages. Recopy the following summary and fill in the blanks.
A part of the brain, the __, releases __ hormone, which activates the __ , a small gland that lies at the base of the brain. This gland releases two hormones: FHS, which regulates the production of __ and LH, which regulates the production of androgens, particularly __ .
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5. a) Where are the paraurethral glands and the Bartholin glands located? b) Describe their role.
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6. The vagina, the uterus and the fallopian tubes are organs of the female reproductive system. Briefly describe the role of these three organs.
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/10
7. An ejaculate contains on average 3 mL to 5 mL of semen. What is its composition?
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8. Explain the scrotum's role in maintaining the temperature of the testicles.
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/10
9. Name the parts of the penis involved in an erection and briefly describe how an erection occurs.
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/10
10. The process of cellular division involved in oogenesis occurs in three phases: mitosis, meiosis phase I and meiosis phase II. Briefly describe each of these phases.
