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2.4 RESEPTOR REGANG Proprioceptors
23

2.4 PROPRIOCEPTORS

Dec 23, 2015

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Science Form 4
2.4 Proprioceptors
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Page 1: 2.4 PROPRIOCEPTORS

2.4 RESEPTOR REGANG

Proprioceptors

Page 2: 2.4 PROPRIOCEPTORS
Page 3: 2.4 PROPRIOCEPTORS

being able to touch your nose with your finger while your eyes are closed

Walking without watching where each foot lands

unlocking the door without looking

Looking at the computer and putting food in your mouth 

Page 4: 2.4 PROPRIOCEPTORS

Reseptor Regang

Terdapat di dalam otot, tendon, dan ligamen

Page 5: 2.4 PROPRIOCEPTORS

Reseptor Regang

Terdapat di dalam otot, tendon, dan ligamen

Sensitif terhadap pergerakan, tekanan & regangan

Page 6: 2.4 PROPRIOCEPTORS

Kepentingan

Penting untuk mengimbangi kedudukan & koordinasi badan

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KOORDINASI SARAF

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KOORDINASI SARAF

Penyelarasan sistem badan terhadap sesuatu rangsangan yang diterima

Menghasilkan suatu gerak balas melalui penghantaran maklumat dalam bentuk

impuls

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TINDAKAN REFLEKS

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Gerak balas automatik terhadap sesuatu ransangan luar

tanpa kawalan otak

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Dikawal oleh saraf tunjang

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Contoh tindakan refleks??

Page 14: 2.4 PROPRIOCEPTORS

CONTOH TINDAKAN REFLEKS

CONTOH TINDAKAN REFLEKS

Pengecilan anak mata apabila keamatan

cahaya tinggi

Menarik tangan apabila tersentuh objek panasMenarik tangan apabila tersentuh objek panas

Bersin & batukBersin & batuk

Mengerdipkan mata untuk mengelak objek memasuki

mata

Mengerdipkan mata untuk mengelak objek memasuki

mata Sentakan lutut apabila

lutut diketukSentakan lutut apabila

lutut diketuk

Page 15: 2.4 PROPRIOCEPTORS

membantu untuk melindungi seorang daripada tercedera

Kepentingan Tindakan Refleks

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Arka Refleks

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Ujian Sentakan Lutut

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LATIHAN

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