The human being is inhabited with an amazinglydiverse pet kingdom, each types possessing that is own distinct features thathelp them survive and cope v their surroundings.
There’s the cheetah with its incredibleburst the speed, the albatross that has actually a wingspan of over 3 meters and also thegroundhog which is the largest member of the squirrel family.
There are sharks that deserve to spot a drop ofblood in the substantial ocean and also bees that help pollinate flowers and keep oureco-system going.
And then there’s the giraffe, the animalwith the longest neck in the world.
How lengthy is a Giraffe’s Neck?
There are couple of things the are quite as magnificent as seeing a giraffe in the wild. The giraffe is indigenous to Africa, a herbivore and also the largest land mammal that is right now living on ours planet.
The tallest one on document was about 19.3 feet, around the dimension of an average house, maybe a tiny higher. That the elongated neck that grabs many of the attention, though, and that alone have the right to weigh as much as 550 lbs.
The factor most civilization think the giraffeshave such lengthy necks is to help them feeding – they have the right to reach greater than otheranimals and so can get the selection leaves up in the trees. As with all things inthe pet kingdom, the reality is a little more complicated and a lot lesscertain.
There is little evidence the feeding is the reason the lengthy neck evolved and the current theory is that it helps males complete for females throughout the mating season.
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An astounding side impact of the lengthy neckis that the giraffe requirements a powerful heart to pump blood as much as the head andbrain. It, therefore, has the highest blood push of any animal on theplanet.
One other amazing fact that many peopledon’t understand is that this elegant mammal has the same variety of bones in that is neckas united state humans.
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The person Neck
Compared to the giraffe, human neck length is quite paltry, come say the least. However, as soon as looking in ~ the anatomy that the person spine, girlfriend will discover that, choose the giraffe, humans have 7 cervical (neck) vertebrae.
Compared to other species, the neck area ofthe human deserve to be quite breakable which is why the is regularly subject to accidentslike whiplash as soon as the head moves suddenly back and forth. The giraffe neck,particularly in males, is surrounded by thick blocks of muscles that protectit.
Why perform Giraffes and Humans have the Same number of NeckVertebrae?
You might be impressed by the fact thathumans have the same number of cervical vertebrae as a giraffe. But so go amouse. And a kangaroo.
In fact, the vast bulk of mammals have 7 cervical vertebrae. Over there are only two mammals the don’t and these space the sloth and the manatee.
Other animal species have different numbersof vertebrae in the neck. For example, a swan has about 22 skeleton in that is neck. Butfor most mammals, the 7.
It’s the dimension of the bones the vary, the course, which is the factor that the giraffe’s neck is much longer than that of any type of other mammal. Every vertebrae can be as much as 10 inch long. Compare that to a computer mouse which is right 4 inches from the pointer of its nose to the finish of the tail.
Sloths and also Manatees
While over there is a vast amount that similaritybetween mammals, over there are always exceptions come the dominance in nature. In thiscase, the the sloth and also the manatee the fail come conform.
Two-toed sloths have actually somewhere in between fiveand seven cervical vertebrae if the three-toed sloth has between eight ornine. In species with more vertebrae, few of these additionally come through attachmentsfor the rib cage. Manatees, ~ above the various other hand, have actually just 6 cervicalvertebrae.
A usual Characteristic the Mammals
While the fact that giraffes have actually the same number of cervical vertebrae as people is interesting, that actually no that unusual. The vast bulk of mammals have seven and the size of the vertebrae is the thing that differs, no the number. The only mammals that have more or much less than seven vertebrae in the neck room sloths and manatees.