They produce sperm and they secrete hormones (testosterone)
Answer:
Whether they are solid rubber or filled with air, rubber balls are generally constructed in multiple parts which are then attached to each other
Explanation:
Answer: Use your maximum heart rate.
Explanation:
To set your intensity level, you need to use your maximum heart rate, which is determined by subtracting your age froom 220.
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B: easily digestible carbohydrates. carbs usually take a long time to digest but give you good energy. many people will have pasta for dinner the night before a game.
Answer:
An imbalance in the naturally occurring neurotransmitters in the brain - A.
