In males, the urethra is part of both the urinary system and ________
A) endocrine system
B) digestive system
C) immune system
D) respiratory system
E) reproductive system
E
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The alpha-helix and beta sheet are examples of ________ protein structure
A) primary B) secondary C) tertiary D) quaternary E) pentanary
During inhalation, air continues to move into the lungs until
A) the internal pressure is the same is atmospheric pressure. B) the internal pressure is less than atmospheric pressure. C) the internal pressure is greater than atmospheric pressure. D) the compliance of the lung decreases. E) the lungs recoil.
Cells float in a watery medium called
A) cytosol. B) extracellular fluid. C) cellular fluid. D) cytoplasm. E) None of the answers are correct.
The leg bones articulate with this ankle bone and transfer weight to the foot
A) medial cuneiform B) talus C) calcaneus D) navicular