Sexual Reproduction in Humans Flashcards
Where does fertilization occur?
In the fallopian tube
Where does ovulation occur?
In the ovary
What happens during Menstruation?
The lining of the uterus breaks down
What is the role of progesterone?
Maintains the thick uterus lining.
Helps cause ovulation
What is the role of oestrogen?
Builds up the uterus lining
What is the role of FSH?
Stimulates the development of an egg in the ovary.
What is the role of LH?
Causes ovulation
Where is FSH and LH produced?
Pituitary gland in the brain
What is the fertilized egg called?
Zygote
Where does the embryo imbed itself and what is it called?
Embryo embeds itself into the lining of the uterus, (called implantation).
Once implantation occurs, what does the embryo do.
Cell division
After 3 months, what is the implanted embryo called?
Fetus
What is the role of the placenta?
Allows constant exchange of material between other and fetus.
Name 3 materials that the mother gives the fetus through the placenta.
Dissolved food molecules, oxygen and nutrients.
Name 1 material that the fetus gives the mother through the placenta.
Waste products