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15 Cards in this Set

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hormone
the cnemical product of an endocrine gland. They turn on, turn off, speed up, slow down the activities of different organs and tissues.
pituitary gland
communicates with the hypothalamus to control many body activities. Regulates body processes including growth, blood pressure, and water balance.
hypothalamus
a tiny part of the brain near the middle of your head. It links the nervous and endocrine systems. Controls the pituitary gland.
egg
female sex cell
sperm
male sex cell
fertilization
the joining of a sperm and an egg
reproduction
the process by which living things produce new individuals of the same type.
zygote
a fertilized egg that is produced during ferilization
chromosomes
carry the information that controls inherited charcteristics, such as eye color or blood type. Every cell in the human body (except sex cells) have 46 chromosomes. Each sex cell contains half, 23. A zygote has 46 chromosomes:
SPERM[23 C'S] + EGG[23 C'S]= ZYGOTE [46 C'S]
testes
oval-shaped organs of the male reproductive system in which sperm are produced. They are clusters of tiny
coiled tubes (where sperm are formed)ENDOCRINE GLAND
ENDOCRINE GLAND
testosterone
a hormone the testes produce that controls the development of physical characteristics in men (facial hair, deep voice, broad shoulders, ability to produce sperm)
scrotum
external pouch of skin where the testes are located. It keeps the sperm cool.
semen
mix of sperm cells and fluids. It contains a huge number of sperm. The fluid provides an enviroment in which sperm can swim.
penis
an organ where semen leaves through the body. the male urethra runs through it.
ovaries
located slightly below the waist, one on eaech side of the body. produces egg cells. they are endocrine glands that produce hormones (estrogen)