LIFE SCIENCE

Detailed explanation-1: -Glucose, or blood sugar, is the main source of energy for your body’s cells, tissues, and organs.

Detailed explanation-2: -Carbohydrates are the main energy source of the human diet.

Detailed explanation-3: -Vegetables, fruits, whole grains, milk, and milk products are the major food sources of carbohydrates.

Detailed explanation-4: -Carbohydrates, also known as carbs, are vital at every stage of life. They’re the body’s primary source of energy and the brain’s preferred energy source. Carbs are broken down by the body into glucose – a type of sugar. Glucose is used as fuel by your body’s cells, tissues, and organs.

Detailed explanation-5: -Looking at the energy densities of each of the energy-yielding nutrients, fat has 9 Calories/gram, carbohydrates have 4 Calories/gram, and proteins have 4 Calories/gram. The most energy rich nutrient is fat.