Purpose of Reproduction and Puberty Flashcards
what is reproduction?
reproduction is the biological process by which new individual organisms (offspring) are produced from their parents.
What is the purpose of reproduction?
Its purpose is to create offspring to ensure that species don’t become extinct.
What is puberty?
Puberty is the stage in the human life cycle when sexual organs mature for reproduction.
When does puberty generally start for FEMALES?
Ages 8-13
When does puberty start generally for MALES?
Ages 9-14
What are the chemicals called that cause physical changes in your body?
Hormones
What glands release hormones into your body?
Endocrine glands.
A-What is the small endocrine gland called that is attached to your brain?
B- What is this glans function?
A-pituitary gland
B- This gland releases hormones into the blood, which triggers the testes and ovaries the release sex hormones. These sex hormones help your reproductive organs to mature for reproduction.
What is the hormone that testes produce?
testosterone
What is the hormone that ovaries produce?
oestrogen
What does oestrogen cause the ovaries to do?
causes them to release ova
What physical changes occur during puberty for males?
5
- Skin becomes oily
- voice changes
- hair grows under arms and on chest
- pubic hair grows
- penis and testes grow larger.
What physical changes occur during puberty for females?
7
- Skin may become more oily
- hair grows under the arms.
- breasts grow
- increased sweating
- growing uterus causes small bump in abdomen
- hips may widen
- pubic hair grows.