2.1 - 2.3 body coordination
DESCRIPTION
Chapter 2 Science Form 42.1 Body Coordination2.2 The Human Nervous System2.3 Nervous CoordinationTRANSCRIPT
![Page 1: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/1.jpg)
2.1 KOORDINASI BADAN (Body Coordination)
![Page 2: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/2.jpg)
2.1 KOORDINASI BADAN
Membolehkan manusia menyesuaikan diri terhadap
perubahan dalaman dan perubahan luaran
![Page 3: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/3.jpg)
2 JENIS KOORDINASI2 JENIS KOORDINASI
KOORDINASI SARAF
Melibatkan sistem saraf
KOORDINASI SARAF
Melibatkan sistem saraf
KOORDINASI KIMIA
Melibatkan sistem endokrin
KOORDINASI KIMIA
Melibatkan sistem endokrin
![Page 4: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/4.jpg)
Stimulus Receptor
Integrating centre (Central Nervous System)
Effectors (muscle or gland) brings about a response
Appropriate responses
![Page 5: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/5.jpg)
What are the importance of coordination system?
![Page 6: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/6.jpg)
Kepentingan koordinasi badanKepentingan koordinasi badan
Membolehkan kita menyesuaikan diri dengan
perubahan sekeliling
Membolehkan kita menyesuaikan diri dengan
perubahan sekeliling
2) Mengawal koordinasi antara rangsangan & tindak balas
(response)
2) Mengawal koordinasi antara rangsangan & tindak balas
(response)
Membantu kita mengelakkan kecederaan / bahaya
Membantu kita mengelakkan kecederaan / bahaya
Membolehkan semua organ befungsi sebagai SATU UNIT
utk mengesan rangsangan (stimulus) & bertindak balas
terhadapnya
Membolehkan semua organ befungsi sebagai SATU UNIT
utk mengesan rangsangan (stimulus) & bertindak balas
terhadapnya
![Page 7: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/7.jpg)
2.2 Sistem Saraf Manusia
Sistem saraf pusat
Sistem sarafperiferi
![Page 8: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/8.jpg)
Central Nervous System (Sistem Saraf Pusat)
![Page 9: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/9.jpg)
Peripheral Nervous System (Sistem Saraf Periferi)
![Page 10: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/10.jpg)
NEURONES(neuron)
![Page 11: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/11.jpg)
Sistem saraf dibina daripada berjuta-juta sel
saraf yang di sebut
neuron
![Page 12: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/12.jpg)
Terdapat 3 jenis neuron yang mempunyai fungsi yg berbeza :
Neuron Deria Neuron Deria Neuron Motor Neuron Motor Neuron Perantaraan
Neuron Perantaraan
![Page 13: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/13.jpg)
Neurones (Neuron)Sensory Neurone /
Neuron Deria
Relay Neurone / Neurone Perantara
Motor Neurone / Neuron Motor
![Page 14: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/14.jpg)
Neuron Deria
Menghantar impuls saraf dari organ deria ke
sistem saraf Menghantar impuls saraf dari organ deria ke
sistem saraf
aksondendron
Badan sel
![Page 15: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/15.jpg)
Neuron Perantara
Memindahkan impuls saraf dari neuron deria ke neuron motor
Memindahkan impuls saraf dari neuron deria ke neuron motor
![Page 16: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/16.jpg)
Neuron Motor
Membawa impuls saraf dari sistem saraf pusat ke effektor
Membawa impuls saraf dari sistem saraf pusat ke effektor
![Page 17: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/17.jpg)
REVISION
![Page 18: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/18.jpg)
Characteristics Sensory Neurone
Motor Neurone Relay Neurone
Where it is connected
Receptors / sensory organs
Effectors In the central nervous system
Location of cell body At one side At one end At the centre
Axon Short Long Short
Myelin Sheath Present on the dendron
Present on the axon Absent
Pathway of impulses Towards the central nervous system
Away from the central nervous
system
From the sensory neurone to the motor neurone
Functions ? ? ?
![Page 19: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/19.jpg)
2.3 KOORDINASI SARAF
![Page 20: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/20.jpg)
![Page 21: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/21.jpg)
TINDAKAN REFLEKS
![Page 22: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/22.jpg)
Gerak balas automatik terhadap sesuatu ransangan luar
tanpa kawalan otak
![Page 23: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/23.jpg)
membantu untuk melindungi seorang daripada tercedera
![Page 24: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/24.jpg)
Dikawal oleh saraf tunjang
![Page 25: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/25.jpg)
![Page 26: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/26.jpg)
Ujian Sentakan Lutut
![Page 27: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/27.jpg)
![Page 28: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/28.jpg)
SISTEM SARAF (Nervous system)
BRAINBRAIN
SPINAL CORD(Saraf Tunjang)SPINAL CORD(Saraf Tunjang)
![Page 29: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/29.jpg)
Sistem Endokrin (Endocrine System)
![Page 30: 2.1 - 2.3 Body Coordination](https://reader033.vdocuments.mx/reader033/viewer/2022061513/55cf9195550346f57b8ebc14/html5/thumbnails/30.jpg)