Which of the following best describes the efficiency of the digestive system?
1.99 of carbohydrates, 92 of proteins, 95 of fats, and very little fiber are absorbed
2.99 of carbohydrates, 50 of proteins, 95 of fats, and very little fiber are absorbed
3.99 of carbohydrates, 92 of proteins, 95 of fats, and most of the fiber are absorbed
4.75 of carbohydrates, 50 of proteins, 50 of fats, and very little fiber are absorbed
Question 2
All of the following describe how cells use nutrients EXCEPT:
1.directly for energy.
2.for body structures and the regulation of body processes.
3.as a storage form of energy for later use.
4.to regulate food intake.