BIO Reprduction (3) Flashcards
Mostly Human Reproduction
What are primary sex organs called?
Gonads
What are the Gonads (primary sex organs) in males and females?
- Testesin males
- Ovaries in females
_____ produce gametes (sex cells) and secrete hormone
Gonads
What are the games (sex cells) in males and females?
- sperm - male gametes (spermatogenesis)
- ova - female gametes (oogenesis)
- Male reproductive system
- seminiferous tubules (spermatogenesis)
- regulated by hormones (GnRH, FSH, LH)
Testes
Enumerate the male reproductive organs
Male Reproductive Organs (Accessory Organs)
Provides a temporary site for the immature sperm
Epididymis
Male Reproductive Organs (Accessory Organs)
Propel live sperm from their storage sites.
Ductus or Vans deferens
Male Reproductive Organs (Accessory Organs)
Carries both urine and sperm to the body exterior
Urethra
Male Reproductive Organs (Accessory Organs)
Produce about 60% of seminal fluid, the fluid volume of semen
Seminal vesicle
Male Reproductive Organs (Accessory Organs)
Secretes fluid that nourishes and protects sperm
Prostate gland
Male Reproductive Organs (Accessory Organs)
Produces thick and clear mucus that cleanses the urethra of traces of acidic urine and serves as a lubricant during sexual
Bulbourethral gland or Cowper’s gland
Male Reproductive Organs (Accessory Organs)
A milky white, somewhat sticky mixture of sperm and accessory gland secretions. The liquid portion is a transport medium for nutrients and chemicals that protect the sperm and aid their movement.
Semen
Male Reproductive Organs (External organ)
Protect the testes and to keep them at a temperature several degrees below the normal body temperature.
Scrotum
Male Reproductive Organs (External organ)
Designed to deliver sperm into the female reproductive tract
Penis