Urine production begins in the __________.
nephrons
papillae
pyramids
pyramids and papillae
nephrons
You might also like to view...
A taxi driver picked up a fare in a heavy rainstorm. Which reflex was activated when both men unexpectedly heard a loud clap of thunder?
A) Vestibular reflex B) Startle reflex C) Patellar tendon reflex D) Withdrawal reflex
In ________, leukocytes are exposed to and fight off foreign invaders.
Fill in the blank(s) with the appropriate word(s).
Urine reaches the urinary bladder by
A) suction from the empty bladder. B) differential pressure exerted on the ureters by the movements of the digestive organs. C) the force of gravity. D) peristalsis. E) None of the answers are correct.
Match the structure of the ear with the appropriate description.A. EardrumB. Part of the ear that contains the organ of hearingC. Includes the pinna and external auditory canalD. Fleshy portion of the external earE. Air-filled space within the temporal boneExternal ear
Fill in the blank(s) with the appropriate word(s).