COMPARING HUMAN LUNGS TO THOSE OF OTHER VERTEBRATES

Humans possess left and right lungs where gases from the blood can be exchanged with gases of the atmosphere. As inhabitants of terrestrial environments, humans depend on this gas exchange with the air in order to survive. How do the lungs which perform gas exchange in humans compare to those used by other vertebrates, including fish?

Gar and Bowfin

garbowfin

Lungfish and salamander

lungfishsalamander

alligator and sheep

alligatorsheep

cat

catcat

monkey

monkeymonkey

WHAT SPECIFIC SIMILARITIES AND DIFFERENCES DID YOU NOTICE BETWEEN THE HUMAN STRUCTURES AND THOSE OF OTHER VERTEBRATES? HOW DO THESE STRUCTURAL SIMILARITIES/DIFFERENCES COMPARE TO SIMILARITIES/DIFFERENCES IN LIFESTYLE? WHAT MAKES HUMANS UNIQUE? WHAT RELATIONSHIPS BETWEEN ORGANISMS DO YOU FEEL ARE SUPPORTED BY YOUR COMPARISONS OF THEIR FEATURES? WHAT FEATURES DO YOU FEEL DEFINE A PARTICULAR GROUP?
OTHER RESPIRATORY STRUCTURES