19. SCUBA DIVING SUIT
Oxygen
Oxygen
cylinder adding
cylinder adding
a weight of
a weight of
40kg
40kg
20. DIVING SUIT WITHOUT
OXYGEN CYLINDER
• Certain number of plastrons are placed on
suit so that it can trap the air bubbles and
supply oxygen to the diver
21. Exchange of gases using
dynamic gaping
• Carbon dioxide produced in the helmet is
again sent to the plastron
• This gas is exchanged through the
process of dynamic gaping
22. Stream Abandonment
Behaviour
• Uses rainfall as a cue to abandon streams
• Can be used as a process for predicting
the floods.