Answer:
Autonomic nervous system
Explanation:
The Autonomic nervous system has to do with the "fight or flight" and "rest and digest" branches. It has to do with increased heart rate, butterflies in the stomach, etc.
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Answer:
Lifestyle factors are the adaptable behaviours and ways of life that influence an individual's health and wellbeing. Examples of lifestyle factors include diet, exercise, smoking and alcohol.
Explanation:
The five levels of organization in a multicellular organism are cells, organs, tissues, organ systems and organisms. The caliber of intricacy and functionality increases going from cells to organisms.