Human reproduction sex
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The images below illustrate the male and female body parts that are involved in sexual activity and reproduction. These body parts are also commonly referred to as genitals, reproductive organs, or sex organs. The male body has sexual organs both inside and outside the body. The internal organs include the epididymis, vas deferens, seminal vesicles, and prostate, and the external organs include the penis and testicles.
4 Types of Reproduction
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Human reproduction - Wikipedia
Ans: a sexually b viviparous c internal d haploid e diploid f ovulation g LH Luteinizing hormone h fertilization i ampullary-isthmic junction fallopian tube j blastocyst k placenta Umbilical cord. Draw a labelled diagram of male reproductive system. Draw a labelled diagram of female reproductive system. Write two major functions each of testis and ovary. Ans: Testes are components of both the reproductive system being gonads and the endocrine system being endocrine glands. The respective functions of the testes are — producing sperm spermatozoa by the process of spermatogenesis and producing male sex hormones, of which testosterone is the best-known.
Human reproduction
Human sexual activity , any activity—solitary, between two persons, or in a group—that induces sexual arousal. The objective here is to describe and explain both sets of factors and their interaction. It should be noted that taboos in Western culture and the immaturity of the social sciences for a long time impeded research concerning human sexual activity, so that by the early 20th century scientific knowledge was largely restricted to individual case histories that had been studied by such European writers as Sigmund Freud , Havelock Ellis , and Richard, Freiherr baron von Krafft-Ebing. By the s, however, the foundations had been laid for the more extensive statistical studies that were conducted before World War II in the United States. Much of the following discussion rests on the findings of the Institute for Sex Research, which constitute the most comprehensive data available.
Sex , the sum of features by which members of species can be divided into two groups—male and female—that complement each other reproductively. Sex, sexuality , and reproduction are all closely woven into the fabric of living things. All relate to the propagation of the race and the survival of the species.
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