The most well-known human reflex is the knee-jerk (or patella) reflex. This is the one where you use a reflex hammer to hit the tendon just below the kneecap (or patella). The leg jerks out like you're kicking.
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The hands on a clock.A Reflex Angle is one which is more than 180° but less than 360° so 240° is a reflex angle.
acute angle, reflex angle, right angle, a line
acute angle, reflex angle, right angle, a line
A reflex angle is in between 180o and 360o.
It is a reflex angle of 230 degrees.