Answer:
Signals can travel as slow as about 1 mph or as fast as about 268 mph. Axon – a long, single nerve fiber that transmits messages, via chemical and electrical impulses, from the body of a neuron to dendrites of other neurons, or directly to body tissues such as muscles.
Explanation:
The word harbingers as it is used in this excerpt is a person or thing that announces or signals the approach of another.
I believe this is descriptive text.
Answer:
Description of the types of food
Explanation:
The author is trying to make the readers comprehend the types of food we have by describing them and expounding on how effective or good the types of foods are for the brain by their description.
