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Health Chapter 18

Horizontales
A process where one of the ovaries releases a ripened egg about once every month.
An endocrine gland located in the brain that's part of the nervous system and the endocrine system.
The reproductive glands in which eggs or ova are produced.
A process in which a sperm cell may join with an egg.
An ovary releases a mature egg, the egg travels to the uterus, if the egg is not fertilized, the uterine lining is shed and a new cycle begins,
Activate changes to a woman's reproductive system before and during pregnancy.
A group or organs that produce and release chemical substances that signal changes in other parts of the body.
A sex hormone that activates certain physical changes at puberty.
The period of sexual development during which a person becomes sexually mature and physically able to reproduce.
Passageways that carry eggs away from the ovaries.
The passing on or transmission of biological traits from parent to child.
Male reproductive cells
Occurs when muscles in the male reproductive system and at the base of the bladder contract, forcing semen through the urethra.
The ovaries slow down their hormone production and no longer release mature eggs.
The mixture of sperm cells and fluids.
Tiny structures found within cells that carry information change the characteristics you will inherit.
Verticales
Female reproductive cells, aka eggs.
The male reproductive glands. Main functions are to produce testosterone and sperm.
The condition of being unable to reproduce.
A section of a chromosome that determines or affects a characteristic or trait.
Releasing hormones from the hypothalamus signal the release of hormones from a pea-sized gland called ___
A hollow, muscular, pear-shaped organ where a fertilized egg can develop and grow.
Birth canal; a hollow, muscular passage leading from the uterus to the outside of the body.
A sac of skin that hangs outside of the body holding the testes.
A chemical substance produced by an endocrine gland. A chemical messenger.
The external sexual organ through which sperm leave the body.