Weegy: Painkilling chemicals that occur naturally in the body are known as: Endorphins. User: A hogs class is an example of a type of activity that can be used to improve which of the following characteristics (More)

Weegy: A yoga class is an example of a type of activity that can be used to improve flexibility. User: When your body burns calories more efficiently, you Weegy: When your body burns calories more efficiently, you increase the amount of muscle mass and decrease the amount of body fat. (More)

Weegy: Breathing exercises, muscle relaxation, and yoga can help relieve stress. User: Would a fitness professional Recommend totally eliminating fat from your diet (More)

Weegy: A common characteristic of a fad diet is that it claims to: help with easy weight loss. User: Olympic athletes have lower resting heart rates because A. they tend to eat low-fat diets. B. they have a lot of muscle mass due to weightlifting. C. they exercise regularly, which improves the efficiency of their heart. D. their lungs tend to be naturally larger. (More)

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