Name: _________________________________ A & P Ch 20 Reproductive System (p. 1 of 12)

1. Meiosis is the cell division process that produces gametes, which are ____________________ and ____________________.

2. The process of meiosis begins with one cell that has __________ (haploid or diploid)

number of chromosomes, which is _____________________ (number) for people.

3. When meiosis takes place in the ovaries, the process is called ____________________. When meiosis takes place in the testes, the process is called _____________________.

4. Match each letter once. Each answer will have four correct letters.

Spermatogenesis _____________ A. Begins at puberty and ends at menopause B. Begins at puberty and continues throughout life Oogenesis ___________________ C. Requires the hormones FSH and testosterone D. Is a continuous process E. Requires the hormones FSH and estrogen F. Is a cyclical process G. Four functional cells are produced H. Only one functional cell is produced

5. If fertilization occurs, the ________ (number) chromosomes of the sperm and the ________ (number) chromosomes of the egg will give the fertilized egg the diploid number of chromosomes, which is _________________________ (number) .

6. State the term for a fertilized egg. _____________________________.

7. Fill in the blanks.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 2 of 12)

8.

A. _________________________________

B. _________________________________

C. _________________________________

D. _________________________________

E. _________________________________

F. _________________________________

G. _________________________________

H. _________________________________ 9. The testes are suspended outside the abdominal cavity within the _____________________. 10. Viable sperm are produced only when the temperature of the testes is slightly ____________ (higher or lower) than body temperature.

11. Within each testis, the interstitial cells produce the hormone _______________________, and the process of ______________________________ takes place in the seminiferous tubules. 12. The stimulus for secretion of testosterone is the hormone ___________________________ From the ________________________________ gland.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 3 of 12) 13. Testosterone is responsible for ____________________________________ of sperm. 14. Testosterone also regulates the development of the male secondary sex characteristics. State two of these characteristics. 15. Label each part using a colored pencil, then color the part with that same pencil. Acrosome Head Midpiece Mitochondria Nucleus (chromosomes) Plasma membrane Tail 16. Which part of the sperm provides motility? 17. Which part of the sperm contains the 23 chromosomes? 18. Which part of the sperm contains mitochondria that produce ATP? 19. Which part of the sperm contains enzymes to digest the membrane Of the egg cell?

Name: _________________________________ A & P Ch 20 Reproductive System (p. 4 of 12) 19. Place the correct letter on the line. __________ Seminiferous tubules __________ Vas deferens __________ head of epididymis __________ body of epididymis __________ tail of epididymis _________ rete testis _________ scrotum 20. The secretion of the seminal vesicles has an ______________________ pH to enhance sperm motility and contains _____________________________ to nourish the sperm. 21. The prostate gland surrounds the first inch of the ____________________________, just below the __________________________________. 22. The bulbourethral glands are also called ________________________________________. 23. The secretion of the bulbourethral glands has an ________________ (acidic or alkaline) pH And is secreted into the _____________________________ (location) just before ejaculation.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 5 of 12) 24. The alkaline secretion of the male glands are important to neutralize the ____________________ (acidic or alkaline) pH of the female ___________________________. 25. Semen consists of secretions from the prostate gland and Bulbourethral glands as well as ___________________________. 26. The urethra carries semen from the _________________________________ to the exterior. 27. Sperm production in the testes is initiated by the hormone _______________________ from the ____________________________________ gland. 28. The maturation of sperm requires the hormone ______________________ from the testes. 29. The secretion of testosterone is stimulated by the hormone __________________________ from the _______________________________ gland. 30. The hormone inhibin is secreted by the ________________________________, and its function is to decrease the secretion of _________________________________________. 31. Secretion of FSH and LH is stimulated by ________________________________ from the __________________________________________.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 6 of 12) 32. Label each part using a colored pencil, then color the part with that same pencil. Ampulla prepuce Bulbourethral gland prostate gland Corpus cavernosum seminal vesicle Corpus spongiosum symphysis pubis (pubic bone – already labeled, just color it) Ductus deferens rectum Epididymis testis Ejaculatory duct urethra (used 3 times – outline it in the same bright color) Glans penis urinary bladder

Name: _________________________________ A & P Ch 20 Reproductive System (p. 7 of 12) 33. Thousands of primary follicles in each ovary contains potential _______________________. 34. The growth of ovarian follicles is stimulated by the hormone _________________________ From the ______________________________________ gland. This hormone also stimulates The follicle cells to secrete the hormone ________________________________________. 35. A Graafian follicle is a _________________________________ follicle that ruptures and releases its ovum when stimulated by the hormone _______________________________ from the ______________________________________. 36. The hormone LH causes the ruptured follicle to become the ________________________, which then begins to secrete the hormone ________________________________, as well as estrogen. 37. The hormone inhibin is also secreted by the ovary and decreases the secretion of _______________________________________. 38. Secretion of FSH and LH is stimulated by _________________________________ from the ____________________________.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 8 of 12) 39.

A. _______________________________ I. _____labia_________________________

B. _______________________________ J. __________________________________

C. _______________________________ K. __________________________________

D. ____pubic bone__________________ L. __________________________________

E. _______________________________ M. _________________________________

F. _______________________________ N. ___rectouterine pouch______________

G. ____clitoris_____________________ O. ____colon________________________

H. ____labia_______________________ P. _________________________________

Name: _________________________________ A & P Ch 20 Reproductive System (p. 9 of 12) 40. The fallopian tubes may also be called ______________________________. 41. The lateral end of a fallopian tube encloses the ________________________________. 42. The fringe like projections of the lateral end of the fallopian tube are called ____________________________ and help pull the _____________________into the tube. 43. To propel the ovum towards the uterus, the _____________________________ layer of the Fallopian tube contracts in peristaltic waves, and the ____________________________ Epithelium sweeps the ovum. 44. The union of sperm and egg is called ____________________________________. 45. The body of the uterus is the large central portion. Above the body is the _________________________ of the uterus. 46. The alveolar glands of the mammary glands produce _________________ after pregnancy. 47. Milk enters the _______________________ ducts, which converge and empty at the __________________________________________ of the breast. 48. The pigmented area around the nipple of the breast is called the _____________________.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 10 of 12) 49. The menstrual cycle requires hormones from the _______________________________, and ___________________________________, and involve changes in the _________________________ (organ) and _______________________________ (organ). 50. The average menstrual cycle is approximately ___________________ days. 51. The hormones involved in the menstrual cycle are ________________________ and _________________________________________________ from the anterior pituitary gland, ___________________________________________________ from the ovarian follicle, and _________________________________________________________ from the corpus luteum. 52. The menstrual phase begin with the loss of the ___________________________________ layer of the endometrium; this is called _________________________________. During this phase, the hormone ________________________ stimulates the growth of several ovarian follicles. 53. During the follicular phase, the hormones _________________________________ and _________________________ stimulate the growth and maturation of the ovum.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 11 of 12) 54. The growth of blood vessels in the endometrium is stimulated by the hormone ______________________________________________________. 55. In ovulation, the hormone ____________________________ causes a mature ovarian follicle to _____________________________ and release its ovum. 56. During the luteal phase, the hormone _________________________ causes the ruptured follicle to become the ___________________________ and secrete the hormone ______________________________________. 57. The hormone ___________________________________ stimulates further growth of blood vessels in the endometrium and promotes the storage of ______________________________. 58. If the ovum is not fertilized, a decrease in the hormone ___________________________ causes the loss of the functional layer of the endometrium and the cycle begins again with the _______________________________ phase.

Name: _________________________________ A & P Ch 20 Reproductive System (p. 11 of 12) Word Bank: These words might be used once, multiple times, or not used at all. This list should have every word you need to fill in the blanks.

Acid Lactose Uterine Tube Acidic Mature Uterus Acrosome Midpiece Vagina Adipose Milk Vas Deferens Alkaline Mitochondria Zygote Anterior Pituitary Nipple Anus Nucleus Areola Oogenesis Bulbourethral Gland Oogonia FSH Cervix Ovary (Follicle Stimulating Hormone) Ciliated Oviduct Corpus Luteum Penis LH Cowper’s Glands Pituitary (Leutinizing Hormone) Diploid Placenta Ductus Deferens Plasma Membrane GnRH Ectopic Polar Body (Gonadotropin Releasing Hormone) Egg (oocyte) Posterior Ejaculatory Duct Prepuce Testosterone Epididymis Primary Oocyte Estrogen Fallopian Tube Primary Spermatocyte Progesterone Fertilization Production Oxytocin Fimbriae Progesterone Relaxin Flagella Prostate Gland Prolactin Fructose Rectum FSH Rupture Functional Scrotum Fundus Secondary Oocyte Glandular Tissue Secondary Spermatocyte Glans Penis Seminal Vesicle Glycogen Seminiferous Tubules Growth of facial and body hair Smooth Muscle Growth of larynx Sperm Growth of muscles Spermatid Growth of reproductive organs Spermatogenesis Haploid Spermatogonia Head Tail Hypothalamus Testis Inguinal Testosterone Interstitial Cells Urethra Labia Urethral Orifice Lactiferous Duct Urinary Bladder