Page 17 - PWR UP TG3 SAINS

Sains Tingkatan 3 Bab 1
1.2 Rangsangan dan Gerak Balas dalam Manusia
Stimuli and Responses in Humans Buku Teks ms. 11-29

1. Rajah di bawah menunjukkan kelima-lima organ deria. SP 1.2.1
The diagram below shows ve sensory organs.

C: Mata / Eyes
A: Hidung / Nose

D: Telinga / Ear

B: Lidah / Tongue

E: Kulit / Skin

(a) Labelkan kelima-lima organ deria tersebut. TP1

Label these ve sensory organs.
(b) Nyatakan rangsangan bagi setiap organ yang dilabelkan. TP2
State the stimulus for each of the labelled organ.
Organ Rangsangan
Organ Stimulus
A Bau / Smell

B Rasa / Taste
C Cahaya / Light
D Bunyi / Sound

E Sentuhan. Haba, Sakit, Tekanan dan Sejuk
Touch, Heat, Pain, Pressure and Cold

2. Rajah di bawah menunjukkan mata manusia. SP 1.2.1 TP1
The diagram below shows a human eye.
(a) Labelkan / Label
(i) Kornea / Cornea Retina
(ii) Gelemaca / Vitrous humor Kornea Retina
Cornea
(iii) Retina / Retina Gelemaca Saraf optik
(iv) Saraf optik / Optic nerve Vitrous humor Optic nerve

(b) Bagi setiap fungsi berikut, namakan struktur mata yang terlibat. SP 1.2.1 TP2
For each of the following function, name the eye structure involved.

(i) Mengandungi reseptor cahaya yang menghasilkan impuls Retina / Retina
Contains photoreceptor cells that produce impulses

(ii) Menghantar impuls saraf ke otak untuk ditafsir
Transmit nerve impulses to the brain for interpretation Saraf optik / Optic nerve

(iii) Mengawal saiz pupil dan cahaya yang memasuki mata
Controls the size of the pupil and light entering the eye Iris / Iris

(iv) Membias dan dan memfokuskan cahaya ke atas retina
Refract and focuses the light on the retina Kanta mata / Lense

6

01 Power Up SC Tg3_p1-23.indd 6 9/28/20 9:48 AM