1) Uterine contractions that are irregular and brief that occur toward the end of gestation are called ________.
2) The hollow cavity within the blastocyst is the ________.
3) The process by which a viable embryo is formed is called ________.
4) Eighty percent of nephrons in the human kidney are located in the ________ and have short nephron loops.
5) The amount of ?ltrate produced by the kidneys each minute is called the ________.
6) The ________ is a capillary plexus that parallels the nephron loop (loop of Henle).
7) A ________ consists of a combination of a weak acid and its associated anion.
8) A ________ acid is an acid that can leave solution and enter the atmosphere.
9) Spermatids mature into spermatozoa by the process of ________.
10) The portion of the urethra that passes through the prostate is called the ________.
11) The organs of milk production are ________.
12) Events in the ?rst 12 weeks of gestation establish the basis for ________, the process of organ formation.
13) The ________ stage is the stage of labor during which the placenta is expelled from the uterus.
14) The ________ provides mechanical protection, nutritional support, and waste removal for the developing embryo.
15) The original 46 chromosomes and their component genes constitute an individual's ________.
16) The painful condition that develops because endometrial tissue is present in the peritoneal cavity is ________.
17) The cell that results from the fusion of a secondary oocyte and a spermatozoon is called a ________.
18) The subsidence of an erection after ejaculation is known as ________.
19) A zygote whose genotype is XY will develop as a ________.
20) The shallow recess that surrounds the cervical protrusion into the vagina is called the ________.