Giraffes have the highest resting blood pressure in mammals just to maintain proper blood circulation to the head. the giraffe's head does not explode each time it is lowered to drink and does not appear to suffer the same organ damage as other hypertensive mammals. May 26, 2016
How does a giraffe shed blood on her head?
The giraffe's heart is large and weighs up to 26 pounds. When the giraffe lifts the head, the blood vessels in the head drain almost all of the blood into the brain, not the cheeks, tongue, skin, or other parts of the head. 26th. 2006
How does a giraffe not faint?
Why? The giraffe's large neck vein contains a complex valve system that prevents blood from regurgitating and collecting when the head is lowered. This is a complete 20-foot difference from the upright position of a grown giraffe. Humans will faint if they try the trick.
How strong is the giraffe's neck?
Neck lengths tend to average about 6 feet and require strong muscles and large bones to support such lengths. This makes the neck heavier, usually 500-600 pounds.
How does a giraffe deal with empty hypertension?
In an anesthetized giraffe that can raise and lower its head with a rope or pulley, Aalkjær found blood in the vena cava of his neck when he lowered his head. This stores more than 1 liter (0.2 gallons) of blood and temporarily reduces the amount of blood that returns to the heart.
Below you will find two helpful answers on a similar topic. 👇
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