Human reproduction - Wikipedia
In order for human reproduction to be achieved, an individual must have undergone puberty first, requiring ovulation in females and the spermarche in males to have occurred prior to engaging in sexual intercourse or achieving pregnancy through non-penetrative means.
How Human Reproduction Works - HowStuffWorks
In this article, we'll explore the biology of sex -- otherwise known as human sexual reproduction. We'll examine the body's sexual organs, the biological cycles of sex and the process of fertilization.
Process Of Reproduction In Humans - Sciencing
2018年5月14日 · Practices and behaviors surrounding human reproduction vary widely across cultures, but in every case, it involves sperm, an ovum (egg), a uterus and a baby. During meiosis, diploid cells divide into sperm in males and ova in females. During sexual intercourse, the male ejaculates semen, containing hundreds of millions of sperm into the vagina.
Human Reproduction and Fertilization - Biology Online Tutorial
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to continue the existence of the species and pass on genetic information from generation to generation. Read this tutorial to learn more …
Reproductive Process - Visible Body
In the reproductive process, a male sperm and a female egg provide the information required to produce another human being. Conception occurs when these cells join as the egg is fertilized. Pregnancy begins once the fertilized egg implants in the uterus.
Human Reproduction - Open Textbook Library
This open textbook is designed to provide a deep understanding of the biological and biomedical aspects of human reproduction, covering a wide range of topics from basic reproductive biology to clinical applications.
Sexual Reproduction in Humans ( Read ) | Biology - CK-12 …
2020年12月3日 · Sexual Reproduction. Humans reproduce by sexual reproduction involves two parents. As you can see from the Figure below, in sexual reproduction, parents produce reproductive cells—called gametes—that unite to form offspring. Gametes are haploid cells. This means they contain only half the number of chromosomes found in other cells of the ...
Human Reproduction - Biology Online Tutorial
Primary reproductive organs are called gonads – testes in the male and ovaries in the female. Gonads (1) produce reproductive cells called gametes – spermatozoa in males and ova in females, the process is called gametogenesis, and (2) secrete steroid hormones called sex hormones – testosterone in male, estradiol, and progesterone in females.
Human Reproduction - an overview | ScienceDirect Topics
Reproduction in humans, as well as domestic, wild and laboratory vertebrates, encompasses the wide range of physiological processes and the associated behaviors and anatomical structures necessary for the birth of the next generation of a given species (Evans, 2007; Senger, 2007).
Chapter 9: Human Reproduction – NSCC Human Biology
Describe human male and female reproductive anatomies; Describe the roles of male and female reproductive hormones; Describe the processes of gestation and labour