ADAPTATIONS

1
ADAPTATIONS PHYSIOLOGY OF CETACEA

• How they are successful in the deep, blue sea!!

2
Adaptations for diving underwater

• Involves circulatory respiratory systems
• Problems depth length of time underwater
• Before diving whale inhales large breath blows
  it out
• Oxygen is absorbed rapidly due to large lungs
  many red blood cells (RBC)
• Oxygen moves into myoglobin is stored.

3
Breathing Continuation

• Exhale lungs ribcage collapse which reduces
  pressure difference
• No nitrogen is absorbed
• During dive blood flow is reduced to body except
  brain heart
• Slower metabolic rate

4
Whale re-surfaces

• Blowout spout of vapor nitrogen gas
• Inhale and exhale process repeats
• Whale does not experience decompression sickness,
  the bends like humans do.

5
Cetacea Intelligence

• Have large brains
• Brain is convoluted and thick
• Can learn behaviors defense, entertainment
• Can use previous learning apply to new things