GASEOUS EXCHANGE IN ANIMALS

Which of the following is not true about respiratory surfaces.

• They are elastic for faster diffusion

• They are moist to dissolve respiratory gases.

• They are highly vascularized to create a concentration gradient.

Identify the respiratory structures of the specimen shown

• Operculum

• Gills

• Scales

• Skin

Which of the following have gills as a respiratory structure?

• 
• 
• 
• 

Identify the structure

• Gill filaments

• Gill rakers

• Gill bar

• Gill

Name the respiratory structure of Amoeba

• Cell wall

• Buccal cavity

• Cell

• Cell membrane

Name the respiratory structure of may fly larvae

• Trachea

• repiratory siphon

• Tracheal gills

• Plastron

Identify part b

• Gill rakers

• Gill filaments

• Gill filament

• Gill raker

Name part e

• Gill bar

• Gill filaments

• Gill rakers

• Gill raker

Name part m

• Gill filament

• Gill filaments

• Gill bar

• Gill rakers

Name the mechanism shown in the illustration shown

• Respiration

• Ventilation

• Gaseous exchange

• Counter current flow