The answer i found when i looked it up was <span> pulmonary</span>
The answer would be enzyme because vitamin D is a protein enzyme
Neuron is the type of cell in the central nervous system
plays an important role in the uptake and processing of neurotransmitters from
synaptic clefts.
To add, a neuron is an electrically excitable cell
that processes and transmits information through electrical and chemical signals.
