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45 Cards in this Set

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  • Back
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
zygote
a fertilized egg
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
the mix of sperm cells and fluid
penis
an organ,the male urethra runs through the penis, semen leaves the body through the penis
ovaries
endocrine glands that produce estrogen and egg cells
estrogen
a hormone that controls some adult female characteristics
oviduct
passageways for eggs-philopian tubes
uterus
a hollow muscular organ about the size of a pear where the egg begins to develop
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
zygote
a fertilized egg
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
the mix of sperm cells and fluid
penis
an organ,the male urethra runs through the penis, semen leaves the body through the penis
ovaries
endocrine glands that produce estrogen and egg cells
estrogen
a hormone that controls some adult female characteristics
oviduct
passageways for eggs-philopian tubes
uterus
a hollow muscular organ about the size of a pear where the egg begins to develop
vagina
birth canal; the passageway thart the baby travels to exit the mothers body, the female urethra runs through the vagina
menstrual cycle
the monthly cycle of changes that occurs in the female reproductive system
ovulation
about halfway through a typical menstrual cycle when the mature egg is released from the ovary into an oviduct
menstruation
the extra blood and and tissue of the thickened lining of the uterus break down and pass out of the body through the vagina
embryo
the developing human lasts abo9ut 8 weeks after a zygote
amniotic sac
a fluid filled sac that that surrounds the embryo
placenta
is the link between the developing embryo and the mother.
umbilical cord
a structure that forms between the embryo and the placenta , it contains blood vessels
fetus
from the ninth week of development until birth the embryo is called a fetus
adolescence
the stage of development when children become adults physically and mentally
puberty
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.
mitosis
the stage during which the cell's nucleus divides into two nuclei.
chromosome
doubled rod of condensed chromatin
DNA
the gentic material that carries information about an organism that is passed from a parent to offspring
traits
different physical characteristics