Please, attach an image and I will edit my response to help you.
Answer: D. neuron
Explanation: Neurons are cells in the nervous system that are responsible for carrying messages by utilizing an electrochemical process.
Hope this helps! :)
Maybe so they don't come in and have to have physical contact with someone so can prevent them from getting it, for example, people wear a mask and sometimes gloves to make it a less likely chance to catch the rona.
Answer:
A
Explanation:
I look the test and got it right:)