Yes it produces energy with cellular respiration. Which occurs in plants and animals etc.
The correct would be B. Neurologist. This is because it deals with the study of the brain, with the Nervous System is connected to. Hope that helps.
The answer is C. Organized, follows a pattern
Structured Exercise is an activity in which someone has to follow a specific plan to achieve a specific fitness goal. In order for the structured exercise to be successful, the participant has to undergo an organized training schedule that target a specific result.
Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.