Which of the following is the receptor in skin that detects pain?
a. Krause’s end bulb
b. pacinian corpuscle
c. Meissner’s corpuscle
d. free nerve endings
d. free nerve endings
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The brain contains four lined cavities called ventricles.?
Indicate whether the statement is true or false
Forensic scientists analyze tissues looking for clues that help solve crimes
a. True b. False Indicate whether the statement is true or false
Which of the following structures is NOT part of the external ear?
A. Auricle B. Tympanic cavity C. Pinna D. External acoustic meatus E. All of these structures are parts of the external ear.
Excitation-contraction coupling begins with
A. the depolarization at the T tubules. B. the release of the cross-bridge. C. the release of Ca2+ from the sarcoplasmic reticulum. D. the production of an action potential in the sarcolemma.