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All subjects F2 > Sains F3 > Flashcards

Sains F3 Flashcards

1
Q

Mengapakah seseorang yang menghidap selesema lazimnya tidak dapat mengesan bau?

A

Mukus yang tebal menghalang bahan kimia merangsang reseptor bau

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2
Q

Hidung ialah organ deria

A

Bau

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3
Q

Sel deria bau terletak di?

A

Bahagian atas rongga hidung dan diselaputi dengan lapisan mukus

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4
Q

Bagi organ deria bau, hidung, bahan kimia dalam udara akan

A

Melarut dalam lapisan mukus

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5
Q

Lidah ialah organ deria

A

Rasa

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6
Q

Reseptor rasa ini dapat

A

Mengesan 5 jenis rasa asas

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7
Q

5 jenis asas bagi organ rasa

A

Manis, masin, masam, pahit & umami

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8
Q

Papila

A

Bintil kecil pada permukaan lidah

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9
Q

Setiap tunas rasa mengandungi

A

10 hingga 50 reseptor rasa

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10
Q

Fungsi Sistem Saraf Manusia

A
  • Mengesan rangsangan
  • Menghantar maklumat dlm bentuk impuls
  • Mentafsir impuls
  • Menghasilkan gerak balas yg sesuai
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11
Q

Serebrum

A

Mengawal tindakan terkawal

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12
Q

Contoh serebrum

A

Menulis, melukis, membaca, makan dan bercakap (can be controlled)

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13
Q

Serebelum

A

Mengawal keseimbangan badan (control body balance)

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14
Q

Contoh serebelum

A

Menari & berbasikal

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15
Q

Medula Oblongata

A

Mengawal tindakan luar kawal

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16
Q

Contoh Medula Oblongata

A

Denyutan jantung, pernafasan, rembesan air liur & peristalsis

17
Q

Saraf tunjang

A

Mengawal tindakan refleks

18
Q

Contoh saraf tunjang

A

Menarik kaki apabila terpijak benda tajam, bersin, sentakan lutut, menarik tangan apabila tersentuh bahan panas

19
Q

3 Jenis Tindakan

A

Tindakan terkawal
Tindakan luar kawal
Tindakan refleks

20
Q

Tindakan terkawal ialah tindakan yg berlaku

A

di bawah kesedaran dan dapat dikawal

21
Q

Tindakan luar kawal ialah tindakan yg berlaku

A

secara serta-merta tanpa disedari @ difikirkan terlebih dahulu

22
Q

Tiub Eustachio

A

Mengekalkan tekanan udara

23
Q

Saraf auditori

A

Menghantar impuls saraf ke otak

24
Q

Salur separuh bulat

A

Membantu mengawal keseimbangan badan

25
Q

Koklea

A

Menukar getaran bunyi kepada impuls saraf

26
Q

Tulang osikel

A

Menguatkan getaran bunyi

All subjects F2 (2 decks)

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