For an action potential to be generated the signal must be strong enough at the axon hillock to bring the membrane voltage to a critical value called the THRESHOLD. The threshold value is typically at
Answer: -55mV
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Amino acids are building blocks of __________
Fill in the blank(s) with correct word
The T tubules
a. store Ca2+ b. provide a means of rapidly transmitting the action potential from the surface into the central portions of the muscle fiber c. store ATP d. run longitudinally between the myofibrils e. have expanded lateral sacs
Which of the following statements about the dorsal and ventral respiratory groups is true?
a. the nuclei of the dorsal and ventral respiratory group function via reciprocal inhibition b. the dorsal and ventral respiratory groups set the pace and rhythm of breathing c. both the dorsal and ventral respiratory groups reside in the cerebral cortex d. the dorsal and ventral respiratory groups set the pace and rhythm of breathing, AND the nuclei of the dorsal and ventral respiratory group function via reciprocal inhibition
Functional __________ goes beyond simply studying the structure of organs and provides reasons for them.
Fill in the blank(s) with the appropriate word(s).