chapter 6 bio sec 1 Flashcards
what are the functions of gonads ?
means (testis and ovaries) primary function produce and store gametes (sperm and egg) other function are endocrine gland it releases SEX hormones
what does other organs of male reproductive system do except testis?
they PREPARE and DELIVEIR sperm
what does sexual reproductive involves?
it involves the reproduction of diploid zygote from 2 haploid gametes
what are toles of male reproductive system
produce and deliver sperm to fertilize an egg cell
what are the testis?
two egg shaped testis are GAMATE PRODUCING ORGAN of the male reproductive system
how long is the testis and what is the diameter? how many compartments?
4cm long and 2.5 diameter 250 compartments
what does the compartments contain?
contain many tightly coiled tubules called SEMINIFERROUS TUBULES
how long is the seminiferous tubules
80cm
HOW DOES THE SPERM FORM?
SPERM FORM THROUGH MEIOSIS
WHERE DOS THE SPERM FORM?
SPECIALIZED LINING OF THIS EXTENSIVE NETWORK OF TUBULES
both part of testis seminiferous length if stretched =
= 500m
where does the testis first develop and where do they descend ?
abdominal cavity, an external sac called scrotum
how much scrontum cooler
2 to 3 celisis = 34, 35
what regulates the function of testis
two hormones ; LH,FSH
location of secretion of testosterone
cells located between the semnifirous tubules