how do different structures of the reproductive system work together to generate offspring?
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The reproductive system or genital system is a set of organs within an organism that work together to produce offspring. ... These differences allow for a combination of genetic material between two individuals and thus the possibility of greater genetic fitness of the offspring.
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The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle.
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When the single sperm enters the egg, conception occurs. The combined sperm and egg is called a zygote. The zygote contains all of the genetic information (DNA) needed to become a baby. Half the DNA comes from the mother's egg and half from the father's sperm.
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In single-celled organisms, the zygote becomes a fully functioning organism, and can divide through mitosis to produce offspring. The organism can also produce gametes to reproduce sexually with other cells.
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Plants that reproduce by seeds. Seed plants have special structures on them where male and female cells join together through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed. The seed protects the embryo and stores food for it.
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The organs of the male reproductive system are specialized for three primary functions: To produce, maintain, transport, and nourish sperm (the male reproductive cells), and protective fluid ( semen ).
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The male reproductive system consists of external organs. The testes in the scrotum produce the male gamete, sperm, which is ejaculated in seminal fluid by the penis. The female reproductive system primarily consists of internal organs.
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In a mature human (2n), eggs are produced by meiosis in the ovary of a woman, or sperm are produced by meiosis in the testis of a man. The eggs and sperm are 1n, and they combine in fertilization to form a zygote (2n). The zygote divides by mitosis to produce a mature human.
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The organs of the male reproductive system are specialized for the following functions: To produce, maintain and transport sperm (the male reproductive cells) and protective fluid (semen) To discharge sperm within the female reproductive tract. To produce and secrete male sex hormones.
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Its functions include producing female gametes called eggs, secreting female sex hormones (such as estrogen), providing a site for fertilization, gestating a fetus if fertilization occurs, giving birth to a baby, and breastfeeding a baby after birth.
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Gametes are the cells used during sexual reproduction to produce a new individual organism or zygote. The male gamete, sperm, is a smaller, mobile cell that meets up with the much larger and less mobile female gamete, egg or ova. Both sperm and egg are only haploid cells.
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The principal functions of the female reproductive system are to produce the ova for sperm fertilization and to provide the appropriate conditions for embryo implantation, fetal growth and development, and birth. Endocrine regulation of the reproductive system is directed by the hypothalamic-pituitary-ovarian axis.
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The human reproductive system includes the male reproductive system which functions to produce and deposit sperm; and the female reproductive system which functions to produce egg cells, and to protect and nourich the fetus until birth. Humans have a high level of sexual differentiation.
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-There are female and male parts needed in both processes. - Both produce an egg. -Both produce offspring by sexual reproduction. -Both have sperm, but in plants we call it pollen.
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Instead both partners procreate using an external orifice called a cloaca. When the cloacae are touched together, sperm is transferred into the female reproductive tract. ... When a hen lays an egg, her uterus turns inside out beyond the cloaca that the egg never touches the nasty stuff.
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Thus, in angiosperms (flowering plants) and gymnosperms (plants with “naked seeds”), the male structures produce pollen (which contain sperm), and the female structures have one or more ovaries (which contain eggs known as ovules).
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The ovaries are the primary reproductive organs of a female; they produce the female gametes and the sex hormones estrogen and progesterone. The vagina, also known as the birth canal, is a canal that joins the cervix to the uterus. The uterus is the organ that prepares for and carries a developing fetus.