TERM 1 - Reproduction Flashcards
What is the vas deferens?
The duct that conveys sperm from the testicle to the urethra.
What is the urethra?
The tube that carries urine and semen from the bladder to the outside of the body.
What are the testes?
Male sex gland - produces testosterone in which a large number of sperm are produced.
What is the epididymis?
A long, coiled duct on the outside of the testis in which sperm mature.
What are the seminal vesicles?
A gland that creates the fluid in semen.
What is the ejaculatory duct?
Joining of the vas deferens and seminal vesicle duct that opens into the urethra.
What is the prostate gland?
A gland that secretes nutrients and fluids for sperm.
What are the fallopian tubes?
Passageways that carry ova from the ovaries to the uterus.
What is the uterus/womb?
Female organ of reproduction used to house the developing fetus.
What is the cervix?
The opening to the uterus
Which hormone stimulates the ovaries to produce eggs?
FSH or Follicle-Stimulating Hormone
What two hormone levels increase to thicken the lining of the womb?
Estrogen and Progesterone
What chemical surges to rupture the dominant follicle or in other words release the egg?
LH
How many chromosomes are there in a each gamete?
23
What does the brain’s pituitary gland produce at the beginning of the cycle?
FSH or Follicle-Stimulating Hormone
When you ovulate, what is created?
Corpus Luteum
What does the Corpus Luteum produce?
Progesterone
Where does the Corpus Luteum form?
In the ovulated follicle.
As the empty follicle that the egg came out of begins to shrink, and the egg is not fertilized, what happens?
A decrease in estrogen and progesterone, which means the thick womb lining breaks down and comes out as blood, starting your period.
What’s a zygote?
fertilized egg
What is anisogamy?
Where the gametes come from two different individuals
Advantages of sexual reproduction?
Creates a organism which has different genes
Disadvantages of sexual reproduction?
Requires two parents, genetic variation, more energy, less offspring.
What are the advantages of asexual reproduction?
One parent needed, rapid population growth, low resource investment.