Unit 12 - Growing + Changing (TH 2) Flashcards
Adolescence
The stage of life between childhood and adulthood, usually beginning somewhere between the ages of 11-15
Puberty
The time when you develop physical characteristics of adults of your own gender
Hormones
Chemical substances produced in certain glands that help regulate the way your body functions
Endocrine System
The system of glands throughout the body that regulate body functions
Metabolism
The process by which the body gets energy from food
Reproduction
The process by which living organisms produce others of their own kind
Reproductive System
The body organs and structures that make it possible to produce children
Sperm
Male reproductive cells
Testes
The pair of glands that produce sperm
Semen
A mixture of sperm and fluids that protect the sperm and carry them through the tubes of the male reproductive system
Ovaries
Female endocrine glands that release mature eggs and produce the hormones estrogen and progesterone
Eggs
Female reproductive cells
Uterus
A pear-shaped organ, located within the pelvis, in which the developing baby is nourished and protected
Ovulation
The process by which the ovaries released mature eggs, usually one each menstrual cycle
Menstruation
The flow from the body of blood, tissues, and fluid that results from the breakdown of the lining of the uterus
Fertilization
The joining of a male sperm cell and a female egg cell to form a fertilized egg
Gynecologist
A doctor who specializes in the female reproductive system
Chromosomes
Threadlike structures that carry genes
Genes
Basic units of heredity
Cell
Basic unit of life
Tissue
A group of similar cells that do a particular job
Organ
A body part made up of different tissues joined to perform a specific action
Body System
A group of organs that work together to carry out related tasks
Embryo
The developing organism from two weeks until the end of the eighth week of development
Fetus
The developing organism from the end of the eighth week until birth
Infancy
The first year of life after birth
Toddler
A child between the ages of one and three
Preschooler
A child between the ages of three and five
