fibrillation
fibrillation
Peristalsis is the term for the rhythmic contractions of the esophagus. These wavelike contractions move food toward the stomach.
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WHAT IS THE ANSWER ISN'T IT CALLED "ANSWERS" GIMME THE ANSWER
only in the last trimester when they prepare the uterus for labor and are called Braxton Hicks contractions.
AD-HOC network
Flash mob.
a spasm
the heart
peristalsis
I think you may be referring to what are called "Braxton-Hicks" contractions.
Rapid and dangerously uncoordinated ventricular contractions is called ventricular fibrillation, or v-fib. During v-fib, the ventricle is not pumping blood to the body, and thus v-fib is known as a lethal dysrhythmia.