Reproductive system Flashcards
(24 cards)
Sexual reproduction
the production of new living organisms by combining genetic information from the female sex cell (ovum) and the male sex cell (sperm)
Puberty
the period during which adolescents reach sexual maturity and become capable of sexual reproduction
What is the female sex cell known as?
Ovum
What is the male sex cell known as?
Sperm
How many chromosomes do each the mother and father give to the child?
23 chromosomes (46 in total)
Zygote
Singular cell that is formed after the ovum and sperm fuse together
How many chromosomes does a zygote have?
46 chromosomes
What does the zygote become over time?
It turns into an Embryo
When do girls begin puberty?
8-13 years
When do boys begin puberty?
10-15 years
Which gland sends special hormones to the rest of the body during puberty?
Pituitary “Master” gland
What are the two sex hormones that the ovaries produce during female puberty?
Oestrogen and Progesterone
What does the release of the female sex hormones do to the body?
Allows girls to have periods and prepares them to be able to have a child one day
Changes in the body - FEMALES
- curvier
- wider hips
- breast development
- periods
- pubic hairs
- internal organ growth
Changes in the body - MALES
- voice cracks
- deeper voices
- pubic hairs
- broader shoulders
- muscular body
- Penises become wider and longer
What is the sex hormone that the testes produce when boys go through puberty?
Testosterone
As well as the sex hormones, the testes and the ovaries release…
- ovum
- sperm
Parts of the female private part
- Ovaries
- Oviduct
- Uterus
- Cervix
- Vagina
How long do periods usually go for?
3-7 days
Why do periods go for about a week?
Because that is how long it takes for the uterus to shed its blood lining
What do hormones have to do with the mood of girls during periods?
The drastic fluctuation between hormones (increase of progesterone) causes girls to experience mood changes and irritability.
PMS stands for
Pre-menstrual syndrome
Parts of the male private part…
- Vas Deferens
- Prostate
- Urethra
- Penis
- Scrotum
- Testes
What is a Caesarean birth?
The C-section is where a woman gives birth to her child through an incision in the abdominal wall rather than her vagina.
