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Blowgun
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<p>A blowgun (also called a blowpipe or blow tube) is a simple ranged weapon consisting of a long narrow tube for <a href="/facts/Shooting/qoWVh0lH">shooting</a> light <a href="/facts/Projectile/kaDpG3N7">projectiles</a> such as <a href="/facts/Dart_(missile)/BryqePrm">darts</a>. It operates by having the projectile placed inside the pipe and using the force created by forced <a href="/facts/Exhalation/5jS1RXA2">exhalation</a> ("blow") to <a href="/facts/Pneumatic/QzkvCCpk">pneumatically</a> propel the projectile. The propulsive power is limited by the strength of the user's <a href="/facts/Respiratory_muscles/SQ5fy9hy">respiratory muscles</a> and the <a href="/facts/Vital_capacity/oD1KP24T">vital capacity</a> of their <a href="/facts/Lung/gTWXI6Fj">lungs</a>. </p>