1 year, 6 months ago
via anatomy-questions.com
Is there any animal that has a similar anatomy to a human?
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M$1 Answer
First of all I want to say that the opinions are divided when it comes on this subject.
Some say that the pig has the many similarities to human anatomy, but I remain to the opinion that the frog has a similar structure to the human anatomy.
Given that the frog is a small animal, its anatomy is much simpler than ours. We, and as the frogs, have the same kinds of organs and systems of organs.
Many similarities between man and frogs consist in:
----QUOTE----
If you closely examine the head of a frog, you will find the following: eye sockets, eyes, mouth, tongue, vomerine teeth, maxillary teeth, gullet teeth, external nostrils, internal nostrils, the glottis opening, eustachian tube openings, the tympanic membranes and the esophagus.
The internal structures of a frog include: the heart, the lungs, the kidneys, the stomach, the liver, the small intestine, the large intestine, the spleen, the pancreas, the gall bladder, the urinary bladder, the cloaca, the ureter, the oviducts, the testes, the ovaries and fat bodies.
The shoulders and front legs of the frog are somewhat similar to man's shoulders and arms. Both frog and man have one "upper arm" bone, the humerus. The frog heart, however, has only one lower chamber, a single ventricle. In man, the lower heart chamber is divided into two compartments, the right ventricle and the left ventricle.
The important parts of the frog brain correspond to comparable parts in the human brain. Body posture and muscular co-ordination are controlled by the cerebellum. The cerebrum is very small in the frog. By comparison the human cerebrum is very large. Only 10 cranial nerves originate in the frog's brain. Man has 12. Similarly, the frog has only 10 pairs of spinal nerves. Man has 30 pairs. Both eardrums, or tympanic membranes, are exposed. There is only one bone in the frog's middle ear. The human middle ear contains three bones (ossicles). As in man, semicircular canals help to maintain body balance.
----ENDQUOTE----
For more information, please consult these links:
http://www.exploratorium.edu/frogs/
http://www.amnh.org/exhibitions/frogs/
http://cgee.hamline.edu/frogs/students/index.html
http://www.lookd.com/frogs/anatomy.html
http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Salientia.html
Some say that the pig has the many similarities to human anatomy, but I remain to the opinion that the frog has a similar structure to the human anatomy.
Given that the frog is a small animal, its anatomy is much simpler than ours. We, and as the frogs, have the same kinds of organs and systems of organs.
Many similarities between man and frogs consist in:
----QUOTE----
If you closely examine the head of a frog, you will find the following: eye sockets, eyes, mouth, tongue, vomerine teeth, maxillary teeth, gullet teeth, external nostrils, internal nostrils, the glottis opening, eustachian tube openings, the tympanic membranes and the esophagus.
The internal structures of a frog include: the heart, the lungs, the kidneys, the stomach, the liver, the small intestine, the large intestine, the spleen, the pancreas, the gall bladder, the urinary bladder, the cloaca, the ureter, the oviducts, the testes, the ovaries and fat bodies.
The shoulders and front legs of the frog are somewhat similar to man's shoulders and arms. Both frog and man have one "upper arm" bone, the humerus. The frog heart, however, has only one lower chamber, a single ventricle. In man, the lower heart chamber is divided into two compartments, the right ventricle and the left ventricle.
The important parts of the frog brain correspond to comparable parts in the human brain. Body posture and muscular co-ordination are controlled by the cerebellum. The cerebrum is very small in the frog. By comparison the human cerebrum is very large. Only 10 cranial nerves originate in the frog's brain. Man has 12. Similarly, the frog has only 10 pairs of spinal nerves. Man has 30 pairs. Both eardrums, or tympanic membranes, are exposed. There is only one bone in the frog's middle ear. The human middle ear contains three bones (ossicles). As in man, semicircular canals help to maintain body balance.
----ENDQUOTE----
For more information, please consult these links:
http://www.exploratorium.edu/frogs/
http://www.amnh.org/exhibitions/frogs/
http://cgee.hamline.edu/frogs/students/index.html
http://www.lookd.com/frogs/anatomy.html
http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Salientia.html
images:
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