reproduction in humans- condensed Flashcards
sex gland (male)
produces semen that contains sperm cells
sperm duct
sperm passes through this
testis
contained in scrotum and produces sperm and testosterone
penis
passes urine and semen out of the body
urethra
tube inside the penis to carry urine or semen.
- ring of muscle stops both from mixing
ovary
contains ova which develops when FSH is released
oviduct
connected ovary to the uterus and is lined with ciliated cells that push the ovum towards the uterus for fertillisation
uterus
has a thick lining so that egg cell can be implanted
cervix
ring of muscle at lower end of uterus to ensure foetus remains in place during pregnancy
vagina
muscular tube that leads to the inside of the body
secondary sexual characteristics (women)
- caused by estrogen
- breast development
- menstrual cycle
- growth of body hair
- widening of hips
- increased height
secondary sexual characteristics (male)
- testosterone
- growth of penis and testes
- production of testes
- growth of facial hair
- muscle develpoment
- voice lowering and breaking
ovulatoin
day 14
oestrogen
- thickening of the uterus in preparation for implantation of egg
- peaks on day 10 and begins to fall
FSH
Causes maturation of the egg within the ovary