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Subjects
Science State Board
Class 8
Organization of life
The biological levels of organization
9.
Respiratory system and human eye
Exercise condition:
5
m.
Choose the right answer from pillar II
:
1.
The parts of eye
Column I
Column II
Biconvex structure
Collaborating with cornea and retina
Collaborating with lens and retina
Retina
Neurons and nephrons
Rods and cones
Optic nerve
Carries electric impulses
Creates electric impulses
Aqueous humour
Not included for eye pressure
Maintains the eye pressure
Vitreous humour
Transmit light to the lens
Transmit light to the retina
2.
Organ system - Pulmonary
Pillar I
Pillar II
Nostrils
Inhale and exhale the air
Only inhalation
Pharynx
Path to the food pipe
Path to the wind pipe
Voice box
Withdraw the sound
Sound production
Wind pipe
Elastic narrow tube
Solid narrow tube
Single epithelial layer
Gas exchange
gas production
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