B. knowing the number of Calories you need and staying within that range will help you achieve a balanced diet.
Learning by doing exercises or playing games; commonly used in schools.
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Answer:
1. Urine flows from the kidneys through the ureters to the urinary bladder
2.urine can be used as fertilizer
Answer:
Maximum heart rate
Explanation:
The Maximum heart rate is the number of times your heart should beat per minute during physical activity.