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Human reproduction
Sexual characteristics, contraception
| Term | Definition |
|---|---|
| Function of the testis | Makes sperm by meiosis |
| Function of epididymis | Stores sperm |
| Function of sperm duct | Transports sperm from testis to urethra |
| Function of seminal vesicle | Secretes fluid for sperm to swim in |
| Function of prostate gland | Secretes fluid with fructose to supply energy for sperm to swim |
| Function of coppers gland | Secretes fluid for sperm to swim in |
| Function of Urethra | Transports urine and semen |
| Function of scrotum | Stores testis at lower temperature |
| Function of penis | Delivers semen into the vagina |
| What the head of sperm contains | Acrosome |
| Function of acrosome in sperm | Contains enzymes that digest the egg cell in order to enter |
| Function of mitochondria in sperm | Supplies energy to swim to fallopian tube |
| Function of sperm tail | Allows cell to be motile |
| How long sperm can survive for | 7 days |
| Function of ovary | Produce egg by meiosis |
| Function of fallopian tube | Fertilisation occurs here Transports egg |
| Function of uterus | Baby develops here during pregnancy |
| Function of cervix | Dilates during labour to allow baby’s head through |
| Function of mucus plug | Keeps amniotic fluid around baby |
| Function of vagina | Tube that holds penis during sexual intercourse |
| Function of Vulva | Protects female genital anatomy |
| Female gamete | Egg (ovum) |
| Features of egg | Non motile Larger than sperm |
| How long eggs can survive for | Up to 2 days when released |
| Where ejaculation occurs | Top of the vagina, near cervix |
| Where ovulation occurs | Ovary |
| Where fertilisation occurs | Fallopians tube (oviduct) |
| Where implantation occurs | Endometrium (uterine lining) |
| Definition of secondary sexual characteristics | Features that distinguish male from female other than sex organs |
| Example of male secondary sexual characteristics | Shoulders broaden Penis enlarges Voice deepens |
| Examples of female secondary sexual characteristics | Breasts enlarge Hips widen Increased body fat |
| Secondary sexual characteristic that occurs in both males and females | Growth of pubic hair |
| Definition of contraception | The deliberate prevention of pregnancy by stopping fertilisation |
| Types of contraception | Natural Mechanical Chemical Surgical |
| Examples of natural contraception methods | Abstinence Withdrawal Calendar/menstrual tracking |
| Examples of mechanical contraception methods | Condoms Diaphragm |
| Examples of chemical contraception methods | Contraceptive pill Contraceptive implants Spermicide |
| Examples of surgical contraception methods | Vasectomy Sterilisation (tubes tied) IUD |