I answer this question already. I think you posted twice. Go check the other one you asked.
Answer:
There can be many, but two of them can be wonderful and splendid.
<em>Sorry if I'm wrong</em>
<em>Tell Me if I'm wrong</em>
<em>Hope this helps</em>
<em>And have an amazing day :D </em>
<h2><u>Answer:</u></h2>
Neurotransmitter is the correct answer.
<h3><u>Explanation:</u></h3>
The neurotransmitter, additionally called chemical transmitter or compound flag-bearer, any of a gathering of synthetic operators discharged by neurons (nerve cells) to animate neighboring neurons or muscle or organ cells, in this manner enabling driving forces to be passed starting with one cell then onto the next all through the sensory system.
In the word oncology, the root/combining form means tumor. The root/combining form in the word chondrosarcoma means cartilage.
