Chapter #15 - Reproduction In Humans Flashcards
Uterus
womb - the organ in which a fetes develops before birth.
What are the charectaristics of the uterus
- It has thick walls made of muscle
- It is small (about the size of a clenched fist) but it stretches during pregnancy
Cervix
A narrow opening leading from the uterus to the vagina
Vagina
opening from the uterus to the outside of the body where sperm is deposited
Ovaries
organs that produce female gametes (eggs)
Oviducts
Fallopian tubes – lead from the ovaries to the uterus. (They don’t connect directly but they are very close).
Where are the urethra and rectum located?
The urethra is a tube that is in front of the vagina, while the rectum is just behind it.
Are the urethar and rectum part of the reproductive system?
NOOOOO!!!!!!!!!!!!!!
X = testes
W = scrotum
V = sperm duct
Y = penis
T = prostate gland
Z = urethra
S bladder
Testes (singlular = testis)
organs in which the male gametes (sperm) are created. The testes are outside the body inside the scrotum.
Scrotum
the sac that contains the testes.
Sperm duct
a tube that transports sperm from the testis to the urethra.
Penis
organ containing the urethra, through which urine and sperm are carried outside of the body (at different times).
Prostate gland
organ that produces fluid called semen that is filled with nutrients for the sperm. The fluid also transports the sperm.
Where and when are eggs formed?
Eggs begin to be formed inside a girl’s ovaries before she is born.
What is the state of a female’s eggs at birth?
At birth, a female has thousands of partially developed eggs in her ovaries.
What happens to a female’s eggs at puberty?
At puberty, some eggs mature, usually one at a time.
What is the diameter of an egg cell?
0.1mm
What happens when the egg is fully developed?
When the egg is fully developed, it bursts out of the ovary and into the funnel at the end of the oviduct.
Ovulation
When thee egg is fully developed and it bursts out of the ovary and into the funnel at the end of the oviduct. Takes place once a month.
What are the stages of the menstrual cycle?
- Menstruation (day 1 -5)
- Most fertile days (day 11 - 13)
- Ovulation (day 14)
- Could still be fertile after ovulation (day 15 -16)
- repeate