This sarcomere depicts relaxed muscle. Which number identifies the M line?
A. 1
B. 3
C. 4
D. 5
Answer: C
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Monocytes that have migrated from the bloodstream into lymphatic structures are called ________.
Fill in the blank(s) with the appropriate word(s).
The phase of hemostasis that involved clotting of blood is called
A) coagulation. B) hemolysis. C) vascular spasm. D) a platelet plug. E) diapedesis.
In general, sympathetic preganglionic fibers are ________ and postganglionic fibers are ________
A) long; short B) short; long C) long; long D) short; short
Sensory neurons carrying action potentials from pain receptors synapse within the spinal cord with interneurons
These interneurons synapse with motor neurons leading back to an effector and ascending neurons that carry action potentials toward the brain. This is an example of a(n) _____ pathway. A. convergent B. divergent C. reverberating D. sensory E. bifurcated