Sexual Reproduction in Humans Flashcards
What is puberty?
Puberty is when you and other people go through physical changes with your body.
Name 5 physical things that happen during puberty. (Male)
- Voice breaks
- Beard grows
- Underarm hair grows
- More sweat glands become active
- Penis grows
Name 3 physical things that happen during puberty.(Female)
- Breasts grow
- Hips broaden
- Menstruation starts
What are hormones?
A regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action.
What are the main female and male hormones?
Male= Testosterone. Female= Progesterone and oestrogen.
Name all the male reproductive organs.
- Spine
- Seminal vesicles
- Prostate Gland
- Urethra
- Epididymis
- Scrotum
- Testes
- Penis
- Sperm Duct
- Bladder
- Ureter
Name all the female reproductive organs.
- Ovaries
- Fallopian tubes
- Uterus
- Cervix
- Vagina
- Uterus lining
Explain in point form what happens at day 1-5 of the menstruation cycle?
- Lining is thining
- No fertilisation
- Hormones drop
- Bleeding occurs at day 4+
Explain in point form what happens on day 6-10 in the menstruation cycle
- Hormone levels rise
- Lining thinkers and repairs
- Oestrogen and Progesterone are released
- Egg is being prepared for ovulation
True or false if false correct the answer: Ovulation begins on day 17.
False, ovulation begins on day 14.
What happens on day 19-28?
Yay or Nay
- Yay= Egg is fertilised and menstruation stops.
- Nay= Egg is not fertilised and menstruation continues.
Is it possible to have sexual intercourse and have a fertilised egg during day 1-5?
Yes.
Name all the titles you would find in the stages of conception.
- Ovulation
- Ejaculation
- Fertilisation
- Cell division
- Implantation
Explain what happens in stage 1-2.
Ovulation- Egg is released from the ovary into the fallopian tube.
Ejaculation- Sperm is released into the vagina and goes towards the fallopian tube.
Stage 2:
Fertilisation- The sperm meets the egg in the fallopian tube. It penetrates the egg and the sperm nucleus fuses with the egg’s nucleus. The result is called a zygote.
Explain stage 3-4 of conception
Cell division- Zygote divides till it becomes a ball of cells. It si now called an embryo.It begins to move towards the uterus.
Stage 4:
Implantation- The embryo sinks into the uterus lining. Here it develops a placenta and becomes a foetus.
