Seals in general
Eared seals (sea lions and sea otters)
A red protein that caries and stores oxygen in muscle cells.
An abnormally slow heart reaction.
A complex of arteries and veins lying very close to each other, found in some vertebrates.
An abnormal pattern of breathing characterized by deep, gasping inhilation with a pause at full inhilation followed by a brief, insufficient release.
Highly prized for it's oil.
A mass of waxy material in the head of dolphins and other toothed whales, thought to focus acoustic signals.
Where an animal receives echolocation signals.
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