Reproduction Flashcards
What is the placenta’s purpose?
So the nutrients of the mother can be passed to the baby
What is the purpose of the umbilical cord?
It joins the foetus to the placenta
What 2 substances pass from the mother to the foetus?
nutrients and oxygen
What is ovulation?
The release of an egg from the ovary
What is fertilisation?
When the egg and sperm nucleus fuse
What is ejaculation?
The ejection of sperm through the penis
What is implantation?
When the embryo sinks into the uterus lining
What is the Testes’ function?
It makes sperm
What is the function of the scrotum?
It holds the testes
What is the function of the glands?
They add a liquid to the sperm
What is the function of the urethra?
It carries the sperm out of the body
What is the function of the vagina?
It receives sperm
What is the function of the cervix?
It provides a ring of muscle
What is the function of the oviduct?
It carries the egg to the uterus
What is the function of the ovaries?
They make eggs
What is the purpose of the uterus?
It is where the foetus grows
What are gametes?
They are specialised sex cells which contain half the genetic information needed to make a new organism
What is internal fertilisation?
When the egg cells are fertilised inside the female’s body
What is external fertilisation?
When the egg cells are fertilised outside the female’s body
Define germination
The process of a seed developing into a plant
Define growth
When the plant creates new cells
Define flower production
When the plant produces flowers which contain the male and female parts
Define pollination
When pollen is delivered to a flower through an animal or the wind
Define seed dispersal
When a plant spreads their seed to avoid competition
What are the 8 life processes?
Movement, Respiration, Sensitivity, Control, Growth, Reproduction, Excretion and Nutrition
What are the 2 types of reproduction?
Sexual and asexual
How many chromosomes does a human cell have?
46
