HUMAN NUTRITION

Detailed explanation-1: -It has been shown that during exercise the body obtains the energy it needs from 2 main nutrients: fats and carbohydrates. The proportion used of each will depend on the following factors: Exercise intensity.

Detailed explanation-2: -Carbohydrates are the main energy source of the human diet. The metabolic disposal of dietary carbohydrates is direct oxidation in various tissues, glycogen synthesis (in liver and muscles), and hepatic de novo lipogenesis.

Detailed explanation-3: -Carbohydrates are the nutrients most frequently used as an energy source (containing 4kcal per gram), as they are fast-acting and turn into energy as soon as they are ingested. This energy powers the brain and body.

Detailed explanation-4: -Sources of carbohydrates for the muscle include blood glucose, muscle glycogen, and liver glycogen. Glucose and glycogen are converted to glucose-6-phosphate before they can be used to generate energy.