Explain why your nose runs during and immediately after a good cry
What will be an ideal response
The tears flow into the lacrimal canaliculi and then into the nasolacrimal sac. As the sac fills, the tears begin to run down the nasolacrimal duct and out your nose.
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In the diagram of skin shown below, where is the arrector pili muscle?
a) C b) D c) E d) F e) G
Spinal reflexes bring about sympathetically induced vasodilation of arterioles during sexual arousal
Indicate whether the statement is true or false
Simple diffusion and facilitated diffusion differ in that facilitated diffusion requires assistance of a membrane protein to move substances across a membrane.
a. true b. false
The vertebral processes that are most easily palpated along the midline of the back are the ________ processes.
A. inferior articular B. superior articular C. spinous D. transverse E. lamellar