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What kind of circulatory system does a giraffe have?

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13. 2019г. Instead, the giraffe's heart is relatively small (compared to the size of the animal), and its power comes from a very strong beat as a result



Giraffe's How is the circulatory system different from the human circulatory system?

The blood pressure of giraffes is very high (280/180 mm Hg), which is twice that of humans, as mentioned above. In addition, the heart beats up to 170 times per minute. .. The giraffe's heart has evolved to have a thick muscular wall and a small radius, giving great power to overcome this pressure. 2019

How does a giraffe pump blood?

The strong elastic ligament structure of the neck reduces the muscle strength needed to support the head and neck. The arteries above the heart are muscular and elastic, pumping blood to the brain against gravity.

Why doesn't the giraffe come out?

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.

What is the mammalian circulatory system?

Most mammals, including humans, have this type of circulatory system. These circulatory systems are called "double" circulatory systems because they consist of two circuits called the pulmonary and systemic circulatory systems. The hearts of humans, birds and mammals have four chambers.

What kind of circulatory system does a giraffe have?

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