Puberty Flashcards
What is reproduction?
Reproduction occurs when parent organisms produce new living individuals. This ensures the survival of species and prevents the extinction of the species.
What is the purpose of reproduction?
The main purpose of reproduction is for male and female gametes to combine for the continuation of the species. Human beings reproduce sexually. It involves a male and a female, which both have sex organs, high produce sex cells (gametes).
Sometime between the ages of __ and __ most people reach _____ a time when people start to develop into adults .
10
18
What is adolescence?
The time when you become sexually mature.
When do the physical changes in puberty start?
They begin at different times. For girls ages of 10 or 11 and in boys at about 12 or 13. The physical changes that take place are secondary characteristics.
At puberty the ___________ gland (attached to the ______) releases a hormone into the blood stream to the __________ organs. This triggers the testes an ovaries to release the sex hormones ________ and ________.
Pituitary Brain Reproductive Testosterone Oestrogen
What does testosterone start the production of?(6)
Sperm in the testes. The boys’ sex organ will begin to mature His muscles begin to developed His body grow bigger and taller His voice will become deeper Hair will grow on his body
What happens when the ovaries begin to produce oestrogen?(5)
Causes the menstrual cycle to begin Her hips widen Her breasts begin to grow bigger Hair will begin to grow on her body She will grow taller and bigger
How does puberty affect the behavior of adolescents?(3)
Cause the skin to become oily and pimples could appear
Skin condition called acne
They need to under stand the changes it can be a difficult and exciting time