home *** CD-ROM | disk | FTP | other *** search
/ The Ultimate Human Body 2.0 / Ultimate Human Body 2.0, The (1996)(Dorling Kindersley).iso / smnv / reac / reac000m.png next >
Portable Network Graphic  |  1996-08-09  |  35KB  |  508x440  |  8-bit (224 colors)
Labels: book | bulletin board | door | earth | ligament | person | sky
OCR: REFLEX ACTIONS FYOU PUT YOUR HAND on . hot Reflex actions enable you to respond surface. you automa tically jerk rapidly something that may be away If an object moves unexpectedly dangerous. without even thinking toward your eyes, you automatically about it ou did not learn these reflex blink. Both of these movements are actions; they were built into your exam ples ot detensive reflex actions nervous system before you were born SPIN CORD Motor neuron From SPINAL CORD Carries nerve im pu lses from spinal to biceps muscle Path of nerve impulses Biceps muscle Contracts to bend arm Sensory neuron Carries nerve The reflex action impu lses from n your arm pa eceptor to spinal cord Pain receptor In skin finger defensive SPINAI p10o