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The digestive system
A. ingests food, propels food, mechanically and chemically breaks down food, absorbs nutrients, and defecates the remainder
The correct sequence for the layers in the walls of the alimentary canal from innermost to outermost is the
B. mucosa, submucosa, muscular layer, serosa
Because of their location, swollen palatine tonsils may interfere with
C. both breathing and swallowing
Secretion of cholecystokinin from the intestinal wall is stimulated by
D. protein and fat in the small intestine
which of the following is the correct sequence for the digestion of lipids?
B.  emulsification by bile  hydrolysis by pancreatic lipase  dissolved in the epithelial cell membrane  formation of chylomicrons  diffusion into lacteal ducts
Endometriosis can result in the formation of fibrous tissue around the ovaries and can prevent ovulation or obstruct the uterine tubes.
The hormone mainly responsible for the development and maintenance of female secondary sexual characteristics is
In the menstrual cycle, estrogen _______, whereas progesterone ________.
C. stimulates uterine wall development; stimulates the uterine lining to become more glandular
The glands in a lobe of a breast
A. drain into alveolar ducts, which drain into a lactiferous duct that leads to the nipple
The ________ ___________ is a countercurrent heat exchanger that keeps the testis cool.
About 30% of the semen is produced the _______, a medial gland that encloses part of the urethra.
The blood-testis barrier is formed by tight junctions between the ________ cells of the testis.
Erection results largely from vasocongestion of the two _______ _______ on the dorsal side of the penis.
The constricted part of the uterus that protrudes into the vagina is called the ____________.
_____________ is a hormone secreted by the ovary that selectively suppresses FSH secretion.
A developing egg is ovulated, and may be fertilized, at the ________ _______ stage of oogenesis.
Follicles and oocytes develop during a portion of the ovarian cycle called the __________ phase.
An ovarian follicle is considered a secondary follicle when it develops a cavity called the _________.
In the luteal phase, the ovaries secrete mainly ________, which stimulates glycogen synthesis and mucus secretion in the uterus.
Since ejaculation is an involuntary reflex, it does not involve any skeletal (voluntary) muscles.
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