The Male Reproductive System (Leaving Cert Biology): Flashcards
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Function of penis in male reproductive system
Function of penis in male reproductive system
Carries sperm into the female reproductive system
Function of scrotum
Function of scrotum
Keeps sperm at correct temperature (below )
Two functions of testis
Two functions of testis
Produces sperm (exocrine) and testosterone (endocrine)
Function of epididymis
Function of epididymis
Stores and matures sperm cells
Function of seminal vesicles
Function of seminal vesicles
Produces seminal fluid for sperm swimming and nutrition
Contents of sperm head
Contents of sperm head
Nucleus (23 chromosomes) and acrosome (enzymes)
Function of sperm midpiece
Function of sperm midpiece
Contains mitochondria for energy
Where sperm are produced in testes
Where sperm are produced in testes
Seminiferous tubules
Number of chromosomes in sperm
Number of chromosomes in sperm
23 (haploid)
Function of FSH in males
Function of FSH in males
Stimulates sperm-producing cells to divide by meiosis
Function of LH in males
Function of LH in males
Stimulates testosterone production in testes
Functions of testosterone
Functions of testosterone
Stimulates sperm production and development of primary and secondary sexual characteristics
Primary sexual characteristics in males
Primary sexual characteristics in males
Growth of reproductive parts
Secondary sexual characteristics examples
Secondary sexual characteristics examples
Pubic/body hair, deeper voice, wider shoulders, growth spurts
Treatments for male infertility
Treatments for male infertility
Lifestyle changes, hormone injections, IVF