Cardiovascular Physiology of Dinosaurs | Zendy

Roger S. Seymour | Zendy

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Cardiovascular Physiology of Dinosaurs

Author(s) -

Roger S. Seymour

Publication year - 2016

Publication title -

physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.14

H-Index - 125

eISSN - 1548-9213

pISSN - 1548-9221

DOI - 10.1152/physiol.00016.2016

Subject(s) - blood pressure , metabolic rate , biology , heart rate , physiology , blood flow , anatomy , medicine , endocrinology

Cardiovascular function in dinosaurs can be inferred from fossil evidence with knowledge of how metabolic rate, blood flow rate, blood pressure, and heart size are related to body size in living animals. Skeletal stature and nutrient foramen size in fossil femora provide direct evidence of a high arterial blood pressure, a large four-chambered heart, a high aerobic metabolic rate, and intense locomotion. But was the heart of a huge, long-necked sauropod dinosaur able to pump blood up 9 m to its head?

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