Ideas in this flowchart

• Proteins are essential nutrients with structural and functional roles in the body.
• Proteins are long chains of amino acids folded into precise structures.
• Their structures determine tens of thousands of different functions.
• Proteins are the primary construction materials of the body.
• They build bone, skin, hair, muscle, hormones, and antibodies.
• Without proteins, the body cannot break down or build macromolecules, grow, or heal wounds.
• Too little protein impairs bodily functions.
• Too much protein can lead to chronic disease.
• Protein intake should be moderate: at least 10 percent and no more than 35 percent of daily calories.