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Chapter 12 Vocabulary

Across
The female endocrine glands that release mature eggs and produce the hormones estrogen and progesterone.
The stage in your life between childhood and adulthood, usually beginning somewhere between 11 and 15.
A child between the ages of one and three.
A group of organs that work together to carry out related tasks.
The basic unit of life.
A body part made up of different tissues joined to perform a particular function.
A mixture of sperm and fluids that protect sperm and carry them through the tubes of the male reproductive system.
The body organs and structures that make it possible to produce children.
The developing organism from two weeks until the end of the eighth week of development.
Chemical substances produced in certain glands that help to regulate body functions.
The flow from the body of blood, tissues, and fluids that results from the breakdown of the lining of the uterus.
The joining of a male sperm cell and a female egg cell to form a fertilized egg.
The process by which the body gets energy from food.
Down
The time when you develop physical characteristics of adults of your own gender.
A doctor who specializes in the female reproductive system.
The pair of glands that produce sperm.
The process by which the ovaries release mature eggs, usually one each menstrual cycle.
Basic units of heredity.
The process by which living organisms produce others of their own kind.
The system of glands throughout the body that regulate body fuctions.
Threadlike structures that carry genes.
A pear-shaped organ, located within the pelvis, in which the developing baby is nourished and protected.
A group of similar cells that do a particular function.
A child between the ages of three and five.
The male reproductive cells.
The first year of life after birth.
The developing organism from the end of the eighth week until birth.