Isabella is putting mustard on her hot dog. She realizes she has put too much and sucks up some of it back into the squeeze bottle. This process is similar to

Question

Quizplus · Accepted Answer

The process of sucking the excess mustard back into the squeeze bottle resembles the neurotransmitter reuptake process, in which excess neurotransmitters are taken back into the presynaptic neuron to be reused or metabolized.

Isabella Is Putting Mustard on Her Hot Dog