Reproduction Flashcards
(22 cards)
What is reproduction?
reproduction is a process that makes more of the same type of organism
What is sexual reproduction?
sexual reproduction involves 2 parents and the offspring (child) shares the features of both parents
What is asexual reproduction?
asexual reproduction involves only 1 parent and the the offspring (child) has exactly the same features of both parents
Chemical
Allows sperm to break through the egg
Nucleus (sperm)
Contains male DNA
Mitochondria
This gives the sperm lots of energy
Tail
This allows the sperm to swim
Nucleus (egg)
Contains female DNA
Cytoplasm
Provides ‘food’ for the baby to grow
Jelly coating
Makes sure only one sperm can get through
Fertilisation
When the sperm and egg joining together
Sperm duct
Carries sperm
Glands
Add a special fluid to sperm
Testes
Where male sex cells are made
Penis
Used to urinate and have sex
Fallopian tube
Helps sperm and egg to fertilise
Cervix
Tube leading from vagina to uterus
Ovary
Where female sex cells are made
Vagina
To have sex and help with menstruation
The egg is released around day 14 of the menstrual cycle.
This is called:
Ovulation
The menstrual cycle helps thicken the lining of the uterus ready for pregnancy.
It lasts about ___ days.
28 days
Menstruation is the part of the menstrual cycle that happens when the woman does not become pregnant. It is when the _______________________________________.
uterus lining breaks down and flows out of the vagina.