How did the blood pressure change in response to change of position of the head

Question

How did the blood pressure change in response to change of position of the head relative to the heart?

Amphicoelias fragillimus Discovered and studied in the late 1800s, Amphicoelias fragillimus is one of the largest known vertebrate species. The adult size is estimated to be 40-60 meters (130-200 ft) in length and 122 tons in weight. Based on anatomical estimates, the brain of A. fragillimus is 16 m above the heart, and their feet are 6 m below their heart when standing. Despite its massive size, it is assumed that all the physiological systems of the species are efficient such that they survived natural selection during Jurassic Period. Design a circulatory system that allows for efficient bulk transport of blood to the tissues. 1,8 Meters 6 Feet) 58 Meters (190 Feet)

Explanation / Answer

The dinosaur capable of adjusting blood pressure when displacing the neck up or down as high blood pressure is required can be generated by some hypothetical soft tissue structures such as a rete mirabile or hypertrophied cardiac and arterial structures, which are seen in giraffes.

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