Reproduction Flashcards
The male gamete
Is the sperm
The female gamete
Is the egg
Gamete
Is a sex cell
Testes
Produce sperm
Sperm duct
Brings the sperm from the testes to the penis
Glands and vesicles
Produce seminal fluid which mixes with sperm to form semen ( allows sperm to swim )
Penis
Enters the female and ejaculates the semen
Cowper’s gland
Makes the urethra less acidic
Seminal vesticles
Make a sugar to give the sperm energy
Prostate secretions
Nourishes and protects the sperm
Copulation
Is another word 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 in the zygote occurs and its grows, attaches to the lining of the uterus
Foetus
After 8 weeks looks like a human
Implantation
Occurs when the fertilised egg lodges itself on the lining of the uterus
Ovulation
The release of an egg from an ovary on day 14 of the monthly cycle
Puberty
When hormones cause changes in the body to make it sexually mature
Menstruation
The shedding of the lining of the uterus
Fertile period
The time in the menstrual cycle when pregnancy is most likely to occur
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
Prevent sperm and egg meeting
To abstain from sex
Is the only way to avoid pregnancy
