It exerts physical effects and elicits a spectrum of physiological responses. The mechanism by which it exerts its therapeutic effect is unknown. Dopamine exerts its effects by binding to and activating cell surface receptors. Glutamate exerts its effects by binding to and activating cell surface receptors. The collective unconscious exerts overwhelming influence on the minds of individuals. Lahore exerts a strong cultural influence over Pakistan. It exerts its action through binding to and activation of the androgen receptor. The VVC also exerts important influence on the heart. He also proposed the influence of the molecules exerts on each other to viscosity. A fluid flowing around the surface of an object exerts a force on it. Gravity exerts a force on the hammer head. The pressure distribution acting on a body's surface exerts normal forces on the body. This is convenient because one pound mass exerts one pound force due to gravity. The pressure a liquid exerts depends on its depth. According to their beliefs, nature exerts a magical influence over people.