What is nutrition and digestion? Explain the needs of essential nutrient for human beings. Describe the digestive process.

Nutrition is the process by which organisms obtain and utilize food for growth, maintenance, and repair of tissues. In humans, nutrition involves the intake of food, digestion, absorption of nutrients, and elimination of waste. Digestion is a crucial aspect of nutrition, involving the breakdown of food into smaller molecules that can be absorbed into the bloodstream and utilized by cells.

Essential Nutrients for Human Beings

Essential nutrients are substances that the body cannot synthesize in adequate amounts and must be obtained from the diet. These nutrients are vital for maintaining health and supporting bodily functions. They include:

1. Carbohydrates: These are the primary source of energy for the body. They are broken down into glucose, which cells use for energy production.

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