Answer: You should call a doctor, or if it is bleeding then that means your brushing to hard. But if it bleed during the day then apply a wet handkerchief or a gauze pad and tell an adult. Better safe then sorry!
Explanation:
1: true
2: C
3: true
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Answer:
The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
Isometric means “equal measure” The muscle fiber length remains the same when muscular tension is exerted against a fixed resistance
