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1. Which structure is appropriately paired through its function?A)B)C)D)ovary – provides milk because that newbornstestis – advance of spermplacenta – warehouse of exit eggsuterus – to produce estrogen4. Base your answer to the following question top top on thepicture listed below which represents systems in a human maleand ~ above your expertise of biology.2. Base your answer to the following question on thediagram below and also on your knowledge of biology. Theletters in the diagram indicate structures current in ahuman male.Which structure has actually both reproductive andexcretory functions?A) AWhat change would occur automatically if both structureslabeled B to be damaged or blocked?A) framework A would decrease in size.B) The blood supply to structure E would certainly decrease.C) Gametes would certainly no longer be transported to structureC.D) framework D would have the ability to deliver an ext gametes.B) GC) CD) D5. The data in the table listed below indicate the visibility ofspecific reproductive hormones in blood samples takenfrom three individuals. One X in the hormone columnindicates a optimistic lab test for the appropriate levelsnecessary for normal reproductive functioning in thatindividual.3. The diagram below represents a mechanism in the humanbody.Which processes might occur in separation, personal, instance 3?A)B)C)D)The primary duty of framework X is toA)B)C)D)produce energy needed for sperm come moveprovide food because that the sperm to lug to the eggproduce and also store urineform gametes that may be connected in fertilizationproduction the sperm, onlyproduction that sperm and production that eggsproduction that eggs and also embryonic developmentproduction that eggs, only6. I beg your pardon diagram ideal represents part of the procedure ofsperm formation in an biology that has a normalchromosome number of eight?A)B)C)D)Base your answers to inquiries 7 and also 8 ~ above the diagrambelow and also on your knowledge of biology. The diagramrepresents the person female reproductive system.7. The placenta develops from the mix of fetal tissueand organization from structureA) AB) BC) CD) D8. Structure A commonly producesA)B)C)D)sperm and eggstestosterone and also eggsestrogen, progesterone, and also eggsestrogen, progesterone, and testosterone9. Base her answer to the complying with question ~ above the chart below and also on your understanding of biology. Thediagram represents the reproductive solution of the person female and male.In which structure carry out gametes generally unite to create a zygote?A) AB) GC) C10. The person female reproductive device is representedin the diagram below.D) F12. I beg your pardon statement ideal describes the relationshipbetween the blood the a person fetus and the blood ofthe mother?A) your blood systems space separate just at certaintimes in development and linked at othertimes.B) The blood flows directly from the mother right into thefetus.C) their blood systems space separate and no materialsare exchanged.D) their blood systems are separate, but certainmaterials happen from one to the other.Production that gametes and also support that the fetusnormally take place in structuresA) 1 and also 2C) 3 and also 5B) 2 and 4D) 4 and 511. Which framework is effectively paired v its function?A) testis — produces nutrients for the offspringB) placenta — permits nutrients come diffuse indigenous themother to the embryoC) uterus — produces testosterone supplied in eggproductionD) ovary — provides a location for the internaldevelopment of the embryo13. What is the human female reproductive system adaptedfor?A)B)C)D)production of zygotes in ovariesexternal fertilization the gametesproduction that milk because that a developing embryotransport the oxygen with a placenta to a fetus14. Removed of one ovary indigenous a human being female wouldmost likelyA)B)C)D)affect the production of eggsmake fertilization impossiblemake carrying a fetus impossibledecrease her ability to carry out essential nutrientsto one embryo15. Which succession represents the common order the eventsthat occur throughout the menstrual cycle?A) menstruation ® ovulation ® body luteum ®follicle stageB) follicle stage ® ovulation ® body luteum ®menstruationC) ovulation ® follicle stage ® body luteum ®menstruationD) follicle phase ® menstruation ® body luteum ®ovulation16. Some chemical interactions in a human being are presented inthe graph below.19. The is identified by a yellow-bodied framework thatsecretes the hormone progesterone.A) 1B) 2C) 3D) 420. The human being menstrual bicycle is controlled by hormonesproduced and also secreted by theA)B)C)D)ovaries, onlyuterus, onlypituitary gland and ovariespituitary gland and uterus21. In a human being female, what is the many direct an outcome of thepresence that the hormone FSH?A)B)C)D)production that the body luteumdevelopment the the ovarian folliclebreakdown the the uterine liningdisintegration that the ovum22. The material that operation from the human femalereproductive tract throughout menstruation is created bythe failure of the lining the theA) ovaryC) vaginaThis graph to represent hormones and also events in theA) procedure of fetal growth and also developmentB) process of meiotic cell department during spermdevelopmentC) reproductive bike of malesD) reproductive bike of femalesB) oviductD) uterus23. Base your answer come the following question top top thediagram below, which represents a necessary part ofhuman reproduction.Base your answers to questions 17 with 19 on thestage that the person menstrual cycle, chosen from the listbelow, that is most closely connected with thatstatement.Stages of the human being Menstrual Cycle(1) Follicle(2) Ovulation(3) body luteum(4) Menstruation17. It usually will not take place if a zygote is formed during thecycle.A) 1B) 2C) 3D) 418. A maturation egg is released.A) 1B) 2C) 3D) 4Estrogen stimulates the manufacturing of additional bloodvessels in structureA) 1B) 2C) 5D) 724. Base her answer to the adhering to question ~ above thediagram listed below which to represent structures uncovered in afemale mammal\"s reproductive system and someprocesses which could occur within the system.27. I m sorry hormone maintains the uterine lining afterovulation?A) 1B) 2C) 3D) 428. The periodic shedding of the uterine lining usuallytakes placeA)B)C)D)after menopauseduring pregnancyif fertilization does not occurbefore the start of puberty29. The female sex hormones estrogen and progesteroneare created in theA) uterusC) ovariesThe process by which the structure labeled B is releasedfrom the structure labeled A is well-known asA) differentiationC) gastrulationB) ovulationD) germinationBase your answers to concerns 25 with 27 ~ above thediagram below and on your knowledge of biology. Thearrows in the diagram present the interrelationshipsbetween the hormones and the structures associated in themenstrual cycle. Certain hormones are shown bynumbers.B) umbilical cordD) pituitary gland30. A large number of sperm cells are developed by malesevery day. This large number the sperm cell increasesthe opportunity thatA) at least one sperm cell will certainly be reached once theeggs swim toward the sperm cells in the ovaryB) numerous sperm cells will unite through an egg therefore thefertilized egg will construct properlyC) few of the sperm cells will make it through to reach theeggD) sufficient sperm cells will be existing to carry theegg from whereby it is developed to where it developsinto a fetus31. I m sorry diagram finest illustrates an occasion in sexualreproduction that would most directly lead come theformation of a human being embryo?A)B)C)D)25. I beg your pardon hormone most straight influences the corpusluteum phase of the term cycle?A) 1B) 2C) 3D) 426. Which hormone most directly promotes the maturationof the egg?A) 1B) 2C) 3D) 432. I beg your pardon statement around the gametes stood for in thediagram below is correct?35. Which methods are occasionally used to aid a womanwho has actually blocked fallopian tubes have a child?A)B)C)D)inbreeding and also natural selectionin vitro fertilization and also implantationhybridization and also vegetative propagationsynapsis and also artificial selection36. The major function of the placenta is toA)B)C)D)They are created by females.They room fertilized in an ovary.They transport hereditary material.They are developed by mitosis.33. Human egg cells space most similar to human sperm cellsin theirA)B)C)D)method the movementamount of stored foodchromosome numbershape and size34. Base your answer come the complying with question ~ above thediagram below, i m sorry suggests an occasion in humanreproduction.A) cushion the fetus so it won\"t be hurt when themother movesB) exchange food, oxygen, and waste between motherand fetusC) store food for the fetusD) assistance the egg because that the procedure of fertilization37. Exposure to toxins throughout early step of pregnancy ismore most likely to reason birth defects than exposure in latepregnancy becauseA) crucial organs kind during beforehand developmentB) the uterus provides much more protection in latepregnancyC) the placenta forms during late pregnancyD) meiosis occurs rapidly during early development38. A pathogen passing native a mom to her fetus couldcauseA)B)C)D)a diminish in the chromosome number of the fetusan boost in milk manufacturing in the mothergamete manufacturing to increasean epidemic in the fetus39. Which succession represents the bespeak of some events inhuman development?A)B)C)D)fertilized egg spermtissueseggfetustissuesfertilized egg eggfertilized eggtissuesorgansfetusspermfertilized eggorganstissues40. Which process normally occurs at the placenta?In humans, which procedure would generally not occurwithin the very first two month after the completion of theprocess suggested in the diagram?A) mitosisC) menstruationB) implantationD) differentiationA) Oxygen diffuses from fetal blood come maternalblood.B) materials are exchanged in between fetal andmaternal blood.C) Maternal blood is converted into fetal blood.D) digestive enzymes happen from maternal blood tofetal blood.41. In ~ which framework in the person body doesspecialization of components of the emerging baby takeplace?A) ovaryC) testis44. The development of one embryo is represented in thediagram below.B) uterusD) pancreas42. The skin that a human develops from an embryonic layerknown as theA) endodermC) meristemB) mesodermD) ectoderm43. Base your answer come the following question on thediagram below, which to represent a person embryodeveloping in the uterus, and also on your knowledge ofbiology.These changes in the kind of the embryo space a directresult ofA)B)C)D)uncontrolled cell department and mutationsdifferentiation and growthantibodies and also antigens inherited native the fathermeiosis and also fertilization45. Some stages in the development of an individual arelisted below.Structure 3 represents theA) membrane the protects the embryo frommechanical shockB) site of exchange that materials between the motherand the fetusC) site where the mrs gametes experience meiosisduring maturationD) framework that shop yolk for the occurring fetus(A) differentiation of cells into tissues(B) fertilization the egg by sperm(C) body organ development(D) mitotic cell division of zygoteWhich succession represents the correct order that thesestages?A) A–B–C–DC) D–B–C–AB) B–C–A–DD) B–D–A–C46. Base your answer come the adhering to question ~ above thediagrams below and also on your knowledge of biology.Which diagram shows the very first appearance that thedistinct class of cells that will form the muscular,skeletal, and circulatory systems?A) 11B) 8C) 6D) 447. Various embryonic layers of tissue type during theprocess ofA) fertilizationC) cleavageB) birthD) gastrulation48. Base your answer to the following question onthe graph below and also on your understanding of biology. Thegraph represents alters in the massive of a fetus fromweek 8 come its birth at main 43.During i m sorry five-week duration did the fetal massincrease in ~ the best rate?A) mainly 10–15C) main 25–30B) weeks 15–20D) mainly 30–35Base her answers to questions 49 and also 50 ~ above the i below and on your expertise of biology.Hormonal level Predict premature birth BirthsSome researchers state the the level the a specific hormone present in the bloodstream ofa pregnant woman may be provided to predict whether bear will take place prematurely, top top time, orlate. Throughout a study involving 485 pregnant women, the level that corticotrophin-releasinghormone (CRH) to be measured during weeks 16 with 20 the the normal 40-week gestationperiod. A compare of this hormone levels to times of birth suggested that women whodelivered prematurely (less 보다 37 weeks) had actually an typical of 3.6 times much more CRH than thosewho offered birth ~ above time.CRH, a hormone produced by the hypothalamus, aids in regulating the cheap ofhormones developed by the adrenal glands. CRH is additionally secreted by the placenta. Cheap ofCRH by the placenta usually starts early in the second trimester (three months) ofpregnancy. The level proceeds to increase substantially as the delivery date approaches. Formost of the pregnancy, one more protein molecule binding to CRH, blocking its action.Researchers suggest that as soon as CRH levels climb high enough to against the blockingprotein, labor begins.The placenta has a regulatory role over the tasks in the body of the mom duringpregnancy. Secretions of placental estrogen and progesterone begin after the first few weeks,and from the third to the nine month, the placenta offers these hormone at the levelsnecessary to maintain pregnancy. Progesterone inhibits the uterine contractions necessary fordelivery. It has actually been argued that cortisol, an adrenal hormone released by the fetus,overcomes the inhibiting effects of progesterone as the level that progesterone drops toward theend of gestation. Likewise at this time, oxytocin, a hormone synthesized by the hypothalamus ofthe mother, is released, stimulating uterine contractions and also the start of labor.Although it is quiet not known whether CRH identify the size of pregnancy,researchers mean that experiments to reduced CRH level to prevent premature labor are notfar off.49. The release of cortisol by the adrenal gland the the fetus causesA)B)C)D)a diminish in CRH levels in the blood that the mothera diminish in the inhibiting effects of progesteronecontractions the the oviductsthe cheap of progesterone50. Which structures play a duty in initiating the birth process at the end of the gestation period?A) amnion and also uterusC) oviduct and also umbilical cordB) hypothalamus and also placentaD) adrenal glands and also yolk sac