Tear ducts (泪腺) operate on a n...tears. (lubrication)

A 16-year-old woman is visiting her gynecologist for her first checkup. On ultrasound examination it is noted that the woman has a double uterus. Failure of which of the following processes is responsible for the double uterus? A: Fusion of the inferior parts of the paramesonephric ducts B: Fusion of the superior parts of the mesonephric ducts C: Development of the hymen D: Development of the sinovaginal bulbs E: Fusion of the inferior parts of the mesonephric ducts

The hero escapes by climbing through the air ______ and out of the building. A: duels B: duets C: ducts D: dunes

中国大学MOOC: Tear ducts (泪腺) operate on a normal basis to and protect the eye. When you have an emotion, they overact and create tears. (lubrication)

Which structure belongs to the bony labyrinth A: the semicircular ducts B: the utricle and saccule C: the cochlea D: cochlear duct E: Corti’s aparatus

Which structure does not belong to the membranous labyrinth A: the semicircular ducts B: the utricle and saccule C: the cochlea D: cochlear duct E: Corti’s aparatus

Of<br/>the following, the one most closely associated with the efferent<br/>ducts of the testis is ____. A: mesonephric tubules B: mesonephric duct C: paramesonephric duct D: genital swellings E: urogenital sinus

What’s the most popular heating system according to the engineer A: Every room has a heater. B: The Central room has a heater. C: A heat chamber heats air and passes the warm air through ducts and openings into rooms. D: The rooms are installed with blowers or convection.

About<br/>the descriptions of the membranous labyrinth, which one is wrong?() A: It<br/>is filled with a clear fluid called endolymph. B: It<br/>is suspended within perilymph contained in bony labyrinth. C: The<br/>saccule is globular and is connected to the utricle. D: The semicircular ducts are located in the semicircular canals E: The utricle and saccule are contained in the cochlea.

The structure of entrance and exit is () A: Hepatic vein, left and right hepatic tube, hepatic artery B: Hepatic artery, portal vein, hepatic vein C: Intrinsic hepatic artery, common bile duct, portal vein D: Left and right hepatic ducts, hepatic artery, portal vein E: Left and right hepatic duct, hepatic artery, hepatic vein