Review
doi: 10.1152/physiol.00016.2016.
Cardiovascular Physiology of Dinosaurs
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- PMID: 27708049
- DOI: 10.1152/physiol.00016.2016
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Review
Cardiovascular Physiology of Dinosaurs
Physiology (Bethesda).
.
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Abstract
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?
©2016 Int. Union Physiol. Sci./Am. Physiol. Soc.
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