Answer:
Most scientists believe that mental illnesses result from problems with the communication between neurons in the brain (neurotransmission)
Explanation:
They organ systems as a whole , because without vision it will all go to a waste
The answer to your question is: A) Your food journal.
It's best to use a food journal to keep track of the things you've eaten, and how much calories you've eaten throughout that day. Using a journal can help you when your on a diet so you can keep track of what you've been eating.
I hope this helps you!
Have a wonderful day!
-LizzyIsTheQueen
Is their a multiple choice ?