Huh do you mean like a heartbeat???
Sponge Should Be The Answer
The heart is composed of two major loops. One going from your heart to your lungs, the other going from your heart to the rest of your body. When your heart beats, strong cardiac muscles pump blood to these destinations. I hope this helped.
The correct answer would be D
Eat a diet higher in salt and drink lots more water. Also, try to stay away from alcoholic fluids
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