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Which of the following is not an effect of friction?
Endorphins
Neurochemicals produced by the brain that act as natural painkillers and also boost feelings of pleasure or well-being.
Heart Disease
A category of diseases affecting the heart and blood vessels, often involving issues like coronary artery disease, heart rhythm problems, and heart defects.
Neurotransmitter
Chemical substances in the brain that transmit signals from one neuron to another, influencing various functions such as mood, sleep, and cognition.
Hormone
Chemical substances produced in the body that regulate and control the activity of certain cells or organs.
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