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Questions and Answers
Proteins help with eyesight and skin.
Proteins help with eyesight and skin.
False (B)
Carbohydrates and fats are nutrients that give us energy.
Carbohydrates and fats are nutrients that give us energy.
True (A)
Water helps with growth and repairing the body.
Water helps with growth and repairing the body.
True (A)
Teenage girls need about 2,500 calories daily.
Teenage girls need about 2,500 calories daily.
It is important to balance the calories in the food we eat with the calories we use to avoid weight gain.
It is important to balance the calories in the food we eat with the calories we use to avoid weight gain.
Junk foods have lots of nutrients.
Junk foods have lots of nutrients.
Regular exercise helps our heart stay healthy.
Regular exercise helps our heart stay healthy.
Avoiding food high in sugar, salt, and fat can lead to obesity.
Avoiding food high in sugar, salt, and fat can lead to obesity.
Kids aged 7 to 12 need about 2,500 calories daily.
Kids aged 7 to 12 need about 2,500 calories daily.
Calories are a measure of how much nutrients we get from food.
Calories are a measure of how much nutrients we get from food.
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Study Notes
Nutritional Roles of Macromolecules
- Proteins support eyesight and skin health, playing crucial roles in cellular repair and function.
- Carbohydrates and fats serve as primary energy sources for the body, essential for daily activities.
Importance of Water
- Water is vital for growth and the repair of body tissues, facilitating various biochemical processes.
Daily Caloric Needs
- Teenage girls typically require approximately 2,500 calories per day to support their growth and energy levels.
- Children aged 7 to 12 also have a similar caloric requirement of around 2,500 calories daily.
Caloric Balance
- Maintaining a balance between caloric intake (from food) and caloric expenditure (through physical activity) is key to preventing weight gain.
Impact of Diet Choices
- Junk foods may offer a high level of calories but are often low in essential nutrients, making them poor choices for a balanced diet.
- Regular exercise is essential for cardiovascular health, helping to maintain a strong heart and overall well-being.
Health Risks
- High intake of foods rich in sugar, salt, and unhealthy fats can contribute to obesity and related health issues.
- Understanding calories as a measure of energy provides insight into how food contributes to overall nutrition and health.
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