Human reproduction worksheetOrdinary level biology 1. What is a gamete?________________________________________________________ 2. Name the male gamete and the female gamete? _________________________________________________________________ 3. State the name of the pouch covering the testes______________________ 4. Why is it important that the temperature of the scrotum remains at 35 degrees Celsius_________________________________________________________________ 5. Label the diagram of the male reproductive system shown. 6. In males where is testosterone produced________________________________________________________________ 7. State the function of the epididymus______________________________________________________________ 8. What is a vasectomy_______________________________________________________________ Explain the difference between seminal fluid and semen__________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 11.In males state the function of LH____________________________________________ 16.Why do sperm producing cells divide by meiosis_________________________________________________________________ _______________________________________________________________________ 13. Name the tube through which sperm are released through the penis _________________ 10.In males state the function of FSH___________________________________________ 15.9.What is puberty__________________________________________________________ 14.The release of sperm from the penis is called____________________________________ 12. List 3 such characteristics____________________________________________________________ _______________________________________________________________________ 17.Testosterone causes secondary male characteristics.In relation to male infertility state a cause______________________________________ A prevention _____________________________________________________________ A treatment______________________________________________________________ . 18.What hormone does the graafian follicle produce________________________________ 22.Explain the term menopause_________________________________________________ 29.What is a graafian follicle___________________________________________________ 21.State the function of the fallopian tube________________________________________ 25.In females where does meiosis occur___________________________________________ 20.Label the diagram of the female reproductive system 19.List two functions of the vagina______________________________________________ 27.What is the menstrual cycle___________________________________________________________________ 28.On which days of a typical cycle does menstruation (having a period) occur___________________________________________________________________ .After ovulation what is the follicle known as ___________________________________ 23.What hormone is secreted by the corpus luteum ________________________________ 24.The lining of the womb is called the __________________________________________ 26. Which hormones in female are associated which secondary sexual characteristics____________________________________________________________ _______________________________________________________________________ 33.State a cause prevention and treatment of infertility in females_________________________________________________________________ ________________________________________________________________________ 36.State two secondary sexual characteristics in sy 34.Label the stages of the menstrual cycle shown in 31.Where does fertilisation normally occur___________________________________________________________________ 40.females_________________________________________________________________ 35.Explain the term copulation_______________________________________________________________ 37.What is implantation_______________________________________________________ .List two methods of birth control______________________________________________ 41.30.What is insemination_____________________________________________________________ 38.Name a hormone which prevents eggs from developing in females_________________________________________________________________ 32.What is fertilisation ________________________________________________________________________ ________________________________________________________________________ 39. What is IVF? ________________________________________________________________________ __________________________________________________________________ 45.When a sperm and egg join a____________________ is formed which is called a ______________________________ after approximately one week.What is lactation_________________________________________________________ 56.What connects the embryo to the placenta? ______________________________________ 50.What is the chorion_________________________________________________________________ 46.What happens to the walls of the uterus when the levels of progesterone are low? ____________________________________________________________________ 52.Which hormones are secreted during pregnancy_______________________________________________________________ 51.Which organ is made both from tissue of the embryo and the mother? _________________________________________________________________ 47.Name the hormone which stimulated milk production in the mammary glands________________________________________________________ . State the function of these structures________________________________________________________________ ________________________________________________________________________ 44.What happens during stage 1 of birth____________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 54.State two advantages of breastfeeding____________________________________________________________ 57.List two functions of the placenta_________________________________________________________________ ________________________________________________________________________ 48.Why is it important that the mothers and babies blood supply do not mix? ____________________________________________________________________ 49.An amnion and amniotic fluid surround the foetus. 43.Where is oxytocin made ____________________________and what is its function? ________________________________________________________________ 53.At which stage of birth is the placenta expelled from the mother? ________________________________________________________________________ _________________________________________________________________ 55.42.