Answer:
The bladder stores urine, and the sphincter blocks urine from passing to the urethra.
Kylie Kristen Jenner (born August 10, 1997)[3] is an American media personality, socialite, model, and businesswoman. She has starred in the E! reality television series Keeping Up with the Kardashians since 2007 and is the founder and owner of cosmetic company Kylie Cosmetics.
Answer:
This is achieved because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon.
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