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7B Sexual reprod
Key words
Term | Definition |
---|---|
Egg cell | The female sex cell (gamete) |
Endangered | At risk of extinction |
External fertilisation | Fertilisation outside the body |
Fertilisation | Fusing of male and female gamete |
Fuse | When two become one |
Gamete | Sexual reproduction cell |
Internal fertilisation | Fertilisation inside the body |
Offspring | New organisms from reproduction |
Parent | Organism that has produced the offspring |
Sex cell | Gamete |
Sexual reproduction | Where two individuals produce a new organism |
Sperm cell | The male sex cell (gamete) |
Adapted | Special features to carry out a function |
Bladder | Organ that stores urine |
Cervix | Ring of muscle at bottom of uterus |
Cilia | Small hairs on the surface of the cell |
Circumcision | Removal of foreskin |
Fallopian tube | Oviduct |
Foreskin | Skin covering of penis |
Glands | Tissues that make and release chemicals |
Menopause | Ovaries stop releasing egg cells |
Ovary | Produces egg cells |
Oviduct | Carries egg to uterus. Site of fertilisation. |
Puberty | Sexual maturation |
Scrotum | Skin containing testes |
Semen | Mixture of sperm and fluids |
Sperm duct | Carries sperm from testes to urethra |
Testis | Produces sperm |
Urethra | Carries urine and sperm |
Uterus | Site of baby development |
Vagina | Opening from cervix to outside |
Amnion | Bag containing amniotic fluid |
Amniotic fluid | Liquid protecting embryo |
Ejaculation | Release of semen from penis |
Embryo | Fertilized egg from zygote to foetus (0 to 8 weeks) |
Erection | When the penis becomes stiff |
Implantation | When an embryo sinks into the lining of the uterus |
Placenta | Organ that takes oxygen and nutrients from the mother’s blood and gives waste |
Pregnant | When an embryo is growing inside |
Sexual intercourse | Where semen is ejaculated into the vagina |
Umbilical chord | Carries materials from the placenta to the embryo or fetus |
IVF | Egg and sperm develop into an embryo before being placed in the uterus |
Sperm count | Number of sperm per volume |
Surrogate mother | Taking the fertilized embryo of another person |
Test-tube baby | IVF |