Compared with humans, approximately how many liters of oxygen does the Weddell seal store per kilogram of body weight?
(A) The same amount of oxygen
(B) Twice the amount of oxygen
(C) Three times the amount of oxygen
(D) Five times the amount of oxygen

A scientist studies the storage and distribution of oxygen in humans and Weddell seals to examine the physiological adaptations that permit seals to descend to great depths and stay submerged for extended periods. The figure below depicts the oxygen storage in both organisms.

Transcribed Image Text:

Human (70 kilograms) Muscle 13% Lungs 36% Blood 51% Total oxygen store: 1.95 liters Weddell seal (450 kilograms) Lungs 5% Muscle 25% Blood 70% Total oxygen store: 25.9 liters