THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -We need energy all the time, when we run, jump, sing, and even when we sleep. We create all the energy we need by eating. The structures components that make up the human body, such as muscles, organs, and bones, are also composed of the nutrients contained in food, meaning that it is.

Detailed explanation-2: -This energy is derived from the chemical bond energy in food molecules, which thereby serve as fuel for cells. Sugars are particularly important fuel molecules, and they are oxidized in small steps to carbon dioxide (CO2) and water (Figure 2-69).

Detailed explanation-3: -Foods contain a lot of stored chemical energy; when you eat, your body breaks down these foods into smaller components and absorbs them to use as fuel. Energy comes from the three main nutrients carbohydrates, protein, and fats, with carbohydrates being the most important energy source.

Detailed explanation-4: -We eat food because it contains nutrients that nourish our bodies. Different foods have various nutrients, like carbohydrates, proteins, vitamins, fats, and minerals. We must consume a balanced diet with appropriate proportions of carbohydrates, fats, proteins, vitamins, minerals, and water for proper body functioning.