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45 Cards in this Set
- Front
- Back
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hormone
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The chemical product o f an endocrine gland that speeds up or slows down the activities of an organ or tissue
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pituitary gland
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an endocrine gland just below the hypothalmus that communicates with the hypothalmus to control many body activities
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fertilization
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the joining of sperm and egg (male and female sex cells)
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reproduction
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the process by which living things produce new individuals of the same type
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zygote
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a fertilized egg
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chromosomes
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rod shaped structures that carry information that control inherited characteristics
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testes
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organs of the male RS in which sperm and testosterone are produced
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testosterone
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controls the development of physical characteristics in men
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scrotum
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the external pusch of skin where the testes are located
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semen
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the mix of sperm cells and fluid
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penis
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an organ,the male urethra runs through the penis, semen leaves the body through the penis
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ovaries
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endocrine glands that produce estrogen and egg cells
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estrogen
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a hormone that controls some adult female characteristics
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oviduct
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passageways for eggs-philopian tubes
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uterus
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a hollow muscular organ about the size of a pear where the egg begins to develop
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hormone
|
The chemical product o f an endocrine gland that speeds up or slows down the activities of an organ or tissue
|
|
|
pituitary gland
|
an endocrine gland just below the hypothalmus that communicates with the hypothalmus to control many body activities
|
|
|
fertilization
|
the joining of sperm and egg (male and female sex cells)
|
|
|
reproduction
|
the process by which living things produce new individuals of the same type
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|
|
zygote
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a fertilized egg
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|
|
chromosomes
|
rod shaped structures that carry information that control inherited characteristics
|
|
|
testes
|
organs of the male RS in which sperm and testosterone are produced
|
|
|
testosterone
|
controls the development of physical characteristics in men
|
|
|
scrotum
|
the external pusch of skin where the testes are located
|
|
|
semen
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the mix of sperm cells and fluid
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|
|
penis
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an organ,the male urethra runs through the penis, semen leaves the body through the penis
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ovaries
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endocrine glands that produce estrogen and egg cells
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|
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estrogen
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a hormone that controls some adult female characteristics
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oviduct
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passageways for eggs-philopian tubes
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uterus
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a hollow muscular organ about the size of a pear where the egg begins to develop
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vagina
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birth canal; the passageway thart the baby travels to exit the mothers body, the female urethra runs through the vagina
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menstrual cycle
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the monthly cycle of changes that occurs in the female reproductive system
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ovulation
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about halfway through a typical menstrual cycle when the mature egg is released from the ovary into an oviduct
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menstruation
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the extra blood and and tissue of the thickened lining of the uterus break down and pass out of the body through the vagina
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embryo
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the developing human lasts abo9ut 8 weeks after a zygote
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amniotic sac
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a fluid filled sac that that surrounds the embryo
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placenta
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is the link between the developing embryo and the mother.
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umbilical cord
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a structure that forms between the embryo and the placenta , it contains blood vessels
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fetus
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from the ninth week of development until birth the embryo is called a fetus
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adolescence
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the stage of development when children become adults physically and mentally
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puberty
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the period of sexual development in which the body becomes able to reproduce. The physical changes of puberty are controlled by the hormones of the endocrine gland.
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mitosis
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the stage during which the cell's nucleus divides into two nuclei.
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chromosome
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doubled rod of condensed chromatin
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DNA
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the gentic material that carries information about an organism that is passed from a parent to offspring
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traits
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different physical characteristics
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