Examlex
Use the rules of exponents to simplify the expression.
Sodium
A chemical element, symbol Na, essential to human health but required in moderate amounts, commonly found in table salt.
Beta-Endorphins
Natural peptides produced by the body that act as neurotransmitters to reduce pain and promote feelings of well-being.
Aerobic Exercise
Physical activity that improves cardiovascular health by increasing the heart rate and oxygen intake for a prolonged period.
Anxiety
A feeling of worry, nervousness, or unease about something with an uncertain outcome.
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