When the giraffe lifts his head, the blood vessels in his head drain almost all of the blood into the brain, not the cheeks, tongue, skin, or other parts of the head. 26 June. 2006г.
Will the giraffe's head explode?
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.
What happens when the giraffe goes down?
To reach the water, the giraffe spreads its front legs and bows its head. High blood pressure pumps blood into the brain, and animals can fall from a stroke. If you overcome this and quench your thirst, you face another danger. When you lift your head, the pressure drops and the giraffe faints. 26мая 2016г.
Why does the giraffe hit his head?
As the male matures, the head and neck are used as weapons to gain the affection of the female, and the head is shaken vigorously to the necks of other male giraffes, and the heads are butted against each other. All this combat behavior tends to wear tufts of hair from the male giraffe's ossicone.
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. 2021
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