Reproduction

Gonochorist-unisexual repr.cell,sex.repr.-fusion of 2 different sex cells is needed: fem.,male,asex.repr.-vegetation-doesn&# 039;t involve gametes,fem.-ovum(egg);male-sperm-produc ed in mature is contunious


Fertilization-fusion of 2 haploid nuclei(of gametes) to produce diploid zygoth(new individuum);in fallopian tube-oviductus,male:testes;spermatozoa;h ormones-androgens;scrotum;epid-


Idyrmis-there are stored matured sperms;ep&test connected by vasa deferentia;vas deferens-leaves scrotum&join urethra
Female:repr.org.in abdomen cavity.outer repr.str.:ulva-labia minor & major; clitoris- erectile tissue
Hormonal sys.-hypophysa-Follicle Stimulating horm.-oestrog.
Both: antagonits -luteinizating horm.-progesteron
Graphian follicle-protective structure for developing egg; gets larger & becomes hollow

Menstrual cycle
1.proliferation-develop.of graphian follicle
2.ovulation-ovary wall replured-ovum is released (12-14day)
3.secretion-endom increase in thickness,dev. corpus luteum
4.menstruation-endom destroyed and leaves the body


Pregnancy:zygote-morula-blastula-gastrul a
Prostaglandis-hormone-oxytocin,3 germ layers-ectoderm,endoderm,mesoderm