Protein is essential to the overall health because it a. gives the body collagen which protects the organs, b. "bulk up" muscles c. sustains life and keeps body system in good repair or d. keep hair and nails healthy

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction