Difference between revisions of "Human reproduction"
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[[Image:Soul_Conception.jpg|thumbnail|Artist's conception of soul joining the fertilized egg at conception.]] | [[Image:Soul_Conception.jpg|thumbnail|Artist's conception of soul joining the fertilized egg at conception.]] | ||
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==Biological aspects== | ==Biological aspects== | ||
Revision as of 00:01, October 14, 2014
Human reproduction is the process by which children are conceived and born. In order for human reproduction to occur under normal circumstances, male and female must engage in sexual intercourse, which should take place within marriage. Exceptionally, reproduction may take place without intercourse via procedures such as in vitro fertilization.
Spiritual aspects
The religion of others should no interfere with peoples personal lives
Biological aspects
The ultimate act of intimacy serves to unite the male and female gametes, the sperm and egg, respectively. These gametes carry just one half of the genetic material (chromosomes) from each parent, and when they combine the new embryo contains a full set of chromosomes. The process of the gametes combining is called fertilization, and takes place inside the woman's body, in the Fallopian tubes or uterus. The embryo then attaches itself to the uterine lining, and is nourished by the placenta (which in turn receives its nourishment from the mother's body) while it develops. This development takes roughly nine months (see Naegele's Rule).
At the end of this process of protected development, what was once an embryo is now born as a new baby. Human babies are relatively helpless, and depend on the care and love of both parents in order to survive to maturity themselves.
Humans are not able to reproduce alone by budding, parthenogenesis, or self-cloning as some species are capable of. In addition, human sex is fixed at conception, unlike some species'; females are not able to become male or vice versa to deal with homogeneous populations of one gender.
References