Choose the One Most Appropriate Answer for Each.​

Multiple Choice

Choose the one most appropriate answer for each.​
-placenta

A) ​acts to trigger ovulation in females
B) ​structures that secrete mucus and nutrients absorbable by sperm; open into the ejaculatory duct
C) ​forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
D) ​a drug that causes severely deformed arms and legs in developing embryos
E) ​two of these connect seminiferous tubules with vasa deferentia
F) ​opening between uterus and vagina
G) ​organ that supplies the embryo/fetus with nutrients and removes wastes
H) ​connects epididymis with ejaculatory duct
I) ​hormones that stimulate uterine contractions in the female
J) ​cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
K) ​inner cell mass plus trophoblast; attaches to uterine wall
L) ​testosterone secreting cells in the testis
M) ​sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
N) ​the uterine lining
O) ​stimulates maturation of an ovarian follicle