Male Reproductive System Flashcards
Testes
Produce sperm
Sperm duct
Brings sperm from the testes to the penis
Glands and vesicles
Produces seminal fluid which mixes with sperm to form semen
Gamete
Sex cell
The male gamete
Is the sperm
Female gamete
Is the egg /ovum
Ovulation
An egg is released from the ovary an average of every 23 days
Menstration
The lining and a small amount of blood pass out through the vagina (day 1-5)this is called menstruation or period
Fertile period
These are the days of the menstrual cycle when the women is most likely to become pregnant
Puberty
Describes when the body starts becoming sexually mature
Copulation
Is another name for sexual intercourse
Fertilisation
The fusing of the gametes to form a zygote
Zygote
Egg and sperm fuse to form a single cell
Embryo
Division of the zygote occurs and it grows.attaches the lining of the uterus
Foetus
After 8 weeks looks human
Implantation
Occurs when the fertilised egg lodges itself on the lining of the uterus
Pregnancy
40 weeks
Amniotic fluid
This fluid provides a cushion for the embryo ,this bursts during delivery of the baby ‘water breaking’
Umbilical cord
Tube joining embryo to the placenta
Placenta
Rich in blood vessels ,food and oxygen is swapped between the mother and baby ,blood does not mix
Family planning
To control the number of children you have ,you need to control the number of times fertilisation takes place
Natural methods of contraception
Aim to detect the day ovulation takes place and avoid intercourse during the fertile period
Artificial methods of contraception
Prevents the sperm and egg meeting
Condoms
Can prevent pregnancy
They can prevent the spread of sexually transmitted diseases