Question

About _______ percent of the calories you take in are used for physiological functions like breathing, blood circulation, and digestion.

Answer 1

70% of the calories you take in are used for physiological functions like breathing, blood circulation and digestion

Answer 2

The part of the calories you take in that are used for physiological functions such as blood circulation, digestion, and breathing is about 70%. The majority of the calorie intake is used for metabolism which involves a series and combination of physiological operations and processes.