Which kind of tissue sends messages from the brain to the rest of the body?

Which of the following is an argument against buying local fruits and vegetables?

If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?

What type of breathing, also known as balanced breathing, makes the respiratory rhythm more regular, which in turn has a soothing effect on the entire nervous system?