THE MALE AND FEMALE REPRODUCTION SYSTEMS
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34 terms
Terms | Definitions |
|---|---|
 EGG | Is the female sex cell. |
| SPERM | Is the male sex cell. |
| FERTILIZATION | Is an important part of reproduction. |
| REPRODUCTION | The process by which living things produce new individuals of the same type. |
| ZYGOTE | When fertilization occurs. |
| CHROMOSOMES | Carry the information that controls inherited characteristics, such as eye color and blood type. |
| MALE | The male reproductive system is specialized to produce sperm and the hormone testosterone. |
| TESTES | Are the organs of the male reprductive system in which sperm are produced. |
| TESTOSTERONE | Controls the development of physical characteristics in men. |
| SCROTUM | The external pouch of skin. |
| SEMEN | The mix of sperm cells and fluids. |
| PENIS | Wher the semen leaves the body through this organ. |
| OVARIES | Are located slightly below the waist, one on each side of the body. the ovaries carry the eggs. |
| ESTROGEN | Triggers the development of some adult female characteristics. |
| OVIDUCT | Passage ways for eggs. |
| UTERUS | A hollow muscular organ about the size of a pear. |
| VAGINA | A muscluar passageway leading to the outside of the body. |
| MENSTRUAL CYCLE | The monthly cycle of changes that occurs in the female reproductive system. |
| OVULATION | Halfway through a typical cycle, the mature egg is released from the ovary into the oviduct. |
| MENSTRUCTION | The extra blood and tissue of the thickened lining pass out of the body through the vagina. |
| NEGATIVE FEEDBACK | Type os signalused in a heating system. important way that the body maintains homeostasis. |
| TARGET CELLS | Cells that redognize the hormone's chemical structure. |
| PITUITARY GLAND | Communicates with the hypothalamus to control many body activities. |
| HYPOTHALAMUS | A tiny part of the brain near the middle of your head, is the link between the two systems. |
| EMBRYO | The developing human. |
| AMNIOTIC SAC | One membrane surrounds the embryo and develops into a fluid-filled sac. |
| PLACENTA | Another membrane that forms. becomes the link between the developing baby embryo and the mother. |
| UMBILICAL CORD | Forms between the embryo and the placenta.this structure contains blood vessels that link the embryo to the mother, but the two circulatory systems remain seperate by a thin barrier. |
| FETUS | From the ninth week od development until birth the embryo is called a fetus. |
| BIRTH | After 9 months of development inside the uterus, the baby is ready to be born. |
| LABOR | During this first stage, strong muscular contractions of the uterus begine. |
| DELIVERY | The second stage of birth is when the baby is pushed completely out of the uterus through the vagina and out of the mother's body. |
| AFTERBIRTH | About 15 min after delivery the third stage of the birth process begins. contractions push the placenta and other membranes out of the uterus through the vagina. this is usually completed in less than an hour. |
| HORMONE | The chemical product of an endocrine gland. |
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