Deep breaths, drink some cold water, take a hot bath, listen to some of your favorite music (if its calming), and try to talk to a friend. some of these helped me more than you could understand
I would say Frequency is how often you perform an activity, and Intensity is how hard/intensely you perform the activity.
The neuron is the basic unit of the nervous system of the body. Its function is to send information to the brain (communication). Neurons help us to react to changes in our environment. Sensory neurons detect the pain the young woman feels and send the messages from her burned skin to her brain. Interneurons integrate the information and generate instructions how to respond.