biology midterm Flashcards
what refers to cell division without cell growth?
cleavage
what is the correct sequence of stages in a monthly menstrual cycle?
follicular-ovulation-luteal-menstruation
what will most likely occur in the uterus if there is a reduction in progesterone secreted from the ovary?
breakdown of the endometrium
What most likely describes the hormone levels of a pregnant woman?
progesterone- high
fsh- 0
estrogen- high
which STI most commonly affects the liver?
hepatits
What is the correct pathway of sperm to the egg?
vagina-cervix-uterus-oviduct
which primary embryonic membrane becomes the placenta
chorion
which refers to the mass of identical cells present during cleavage?
morula
which hormone maintains the corpus luteum for the first three months of pregnancy and can also be detected in the urine of a pregnant woman?
human chorionic gonadotropin
where are the sperm produced?
seminiferous tubules
which structure does the allantois develop into?
umbilical cord blood vessels
which structure produces the navel (belly button?
umbilical cord
how does the scrotum help the testes function properly?
it keeps the testes cooler than normal body temperature
which is the path of sperm from production to ejaculation?
seminiferous tubule- epididymis-vas deferens-urethra
where does the maturation of the sperm occur?
epididymis