sexual reproduction Flashcards
3 main functions of male reproductive system
- produce store transport sperm
- discharge sperm within female rep. system
- produce and secrete male hormones
testes are for
make testosterone
produce sperm
why are the scrotum found outside body?
sperm found in testes develop best at 2’c lower than body temp
when scrotum is outside main body cavity, sperm forming cells at optimal temp for sperm development
function of prostate
nourish sperm
provide protection from natural acidity of vagina
purpose of female rep system
- produce egg
- transport ova to site of ovulation
- provide safe and favourable environment for foetus to develop
- produce female sex hormones that maintain reproductive cycle
function of ovaries
site of gamete production
purpose of fallopian tubes
site of fertilisation
egg to uterus
released egg enters the fallopian tube
gets swept towards uterus but cilia
purpose of cervix
opens up into vagina, allowing flow of menstrual blood into vagina and directs sperm into uterus
when not ovulating, cervix covered in thick mucus that serves as a protective barrier
purpose of vagina
serve as repository for sperm
hormone is
a chemical substance produced by endocrine gland
transported in the bloodstream to target organs to execute its function
after it has performed its function it is destroyed by liver
ovulation is
the release of a matured egg form ovary into fallopian tube
menstruation
uterine bleeding caused by breakdown of the endometrium
fertilisation
union of sperm and egg. forming zygote
journey of egggg
- ovulation releases matured egg into fallopian tube
- sperm fertilisers ovum, form zygote
- cleavage of embryo starts
- embryo develops into blastocyst
- blastocyst implants in endometrium
