What animals have 7 neck bones?
A giraffe has the same number of neck vertebrae as a human, mouse, elephant, or armadillo; all have exactly seven. Sloths are an exception, with up to 10 vertebrae in their neck.
What mammal has no 7 cervical vertebrae?
The only mammals which have evolved different numbers of neck vertebrae without any apparent problems are sloths and manatees. Two-toed sloths (Choloepus) have 5-7 neck vertebrae while three-toed sloths (Bradypus) have 8 or 9.
What are the 7 neck bones called?
cervical spine
The cervical spine (neck region) consists of seven bones (C1-C7 vertebrae), which are separated from one another by intervertebral discs. These discs allow the spine to move freely and act as shock absorbers during activity.
What living thing has the biggest brain?
sperm whale
The sperm whale has the biggest brain of any animal species, weighing up to 20 pounds (7 to 9 kilograms). Larger brains don’t necessarily make a smarter mammal. But as mammals evolved, many groups, from Primates to Carnivora, have shown independent increases in brain size.
Does a giraffe have more bones in its neck than a human?
Both giraffes and humans have seven neck vertebrae. The difference, however, is that each giraffe bone can be over 10 inches long.
Why can injuries at C1 or C2 be fatal?
Severe cases of spinal cord injury at C2 can be fatal because breathing and other critical body functions may be impaired or stop. Paralysis of the body below the injured region of the spinal cord may also occur in some cases.
What kind of body does a hippo have?
The process of surfacing and breathing is automatic and even a hippo sleeping underwater will rise and breathe without waking. A hippo closes its nostrils when it submerges. Male and female hippos have similar bodies, however, male hippos are larger and have larger tusks than female hippos.
How many pairs of tusks does a hippo have?
Both male and female hippos have two pairs of tusks set in the lower jaw. Among pygmy hippos, the size difference between males and female hippos is not as great or as easily visible.
How are hippos and Horses related and how are they related?
Hippopotamuses ( Hippopotamus amphibiu s) are large, round, water-loving animals that are native to Africa. The word “hippopotamus” comes from the Greek word for “water horse” or “river horse,” although hippos and horses aren’t closely related. The closest living relatives to hippos are pigs, whales and dolphins, according to the San Diego Zoo.
How big do hippos get when they are full grown?
The average female weighs around 3,000 lbs. (1,400 kilograms), while males weigh 3,500 to 9,920 lbs. (1,600 to 4,500 kg), according to the San Diego Zoo. Hippos live in sub-Saharan Africa. They live in areas with abundant water, as they spend most of their time submerged to keep their skin cool and moist.
The process of surfacing and breathing is automatic and even a hippo sleeping underwater will rise and breathe without waking. A hippo closes its nostrils when it submerges. Male and female hippos have similar bodies, however, male hippos are larger and have larger tusks than female hippos.
Both male and female hippos have two pairs of tusks set in the lower jaw. Among pygmy hippos, the size difference between males and female hippos is not as great or as easily visible.
How many teeth does a hippo have in its mouth?
Of course, hippos have teeth. In fact, they have 36 teeth that include one canine, two incisors, three premolars, and three molars on each side of their jaws. Some hippos may have up to 40 teeth because they can retain their milk teeth for several years after reaching adulthood.
How big is the skull of a hippo?
This spans from 11 to 17 feet. A Hippo has a very high skull and up on it is where you will find the eyes, ears, and nostrils. Many people comment that it is funny to see such small ears on such a large animal.