what is the difference between human bones and animal bones?
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Non- human animal bones have a greater density relative to size; they are less porous and are thicker in cross section than the bones of humans. For example, in humans humeral and femoral cortical thickness is about a quarter of the total diameter compared to about half of the total diameter in animal limb bones.
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The main difference between animal cell and human cell is that the animal cell may have different sizes of genomes depending on the species whereas the human cell has 3 billion base pairs in its genome. ... Both do not have a cell wall, large vacuole, as well as chloroplasts.
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Determining whether a creature is a vertebrate or invertebrate may not be something you do on a daily basis, but it's worth knowing which creatures are which. The major difference is a backbone: invertebrates lack this bone structure. Spiders happen to be invertebrates, with a slew of their arthropod kin.
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In case you were wondering (cause they are soooo flexible), snakes actually do have bones. Animals with bones are know as vertebrates -- snakes are vertebrates. A snake's backbone is made up of many vertebrae attached to ribs. Humans have approximately 33 vertebrae and 24 ribs.
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Divisions of the Skeleton. The adult human skeleton usually consists of 206 named bones. These bones can be grouped in two divisions: axial skeleton and appendicular skeleton. The 80 bones of the axial skeleton form the vertical axis of the body.
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The one main difference between the human and beef heart is size and weight. A human heart weighs between seven and 15 ounces, whereas a cow heart can weight up to five pounds. Both the cow and human heart serve the same purpose and the function of each heart is virtually identical.
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Birds have hollow bones. ... However, birds have a unique bone structure that makes flying and the rigors of migration easier for them — hollow bones! A human bone is dense and filled with bone marrow. However, a bird bone is hollow and filled with air.
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Some of a baby's bones are made entirely of a special material called cartilage (say: KAR-tel-ij). Other bones in a baby are partly made of cartilage. This cartilage is soft and flexible. During childhood, as you are growing, the cartilage grows and is slowly replaced by bone, with help from calcium.
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Most non-mammalian animals have nuclei in their mature erythrocytes, or red blood, cells, but mammals, including humans, do not. Comparing mammals, the main difference between the blood of two different species is the same as the difference between two people; the proteins that allow for self-identification.
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The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column. Examples of vertebrates include humans, birds, and snakes.
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Bones are made of connective tissue reinforced with calcium and specialised bone cells. Most bones also contain bone marrow, where blood cells are made. Bones work with muscles and joints to hold our body together and support freedom of movement. This is called the musculoskeletal system.
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Bones are discrete organs made up of bone tissue, plus a few other things. The main misconception about bones then, is that they are made up of dead tissue. This is not true, they have cells, nerves, blood vessels and pain receptors.
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Humans have two lower leg bones, the tibia and the fibula. In humans and in the frog, the femur is the single upper leg (thigh) bone. A third division of the frog's leg consists of two elongated anklebones, or tarsals. As in other vertebrates, the frog's skeleton is moved by muscles.
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Hollow bones in dinosaurs. In birds and many other dinosaurs, many of the bones are pneumatized, meaning they have hollow spaces within them, particularly within vertebrae and some limb and hip bones. Our mammalian bones, on the other hand, are mostly solid throughout.
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Bones consist of living cells embedded in a mineralized organic matrix. This matrix consists of organic components, mainly type I collagen – "organic" referring to materials produced as a result of the human body – and inorganic components, primarily hydroxyapatite and other salts of calcium and phosphate.
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The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column. Examples of vertebrates include humans, birds, and snakes. You just studied 62 terms!
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There are generally three levels of identification that can be utilized to distinguish between human and non-human animal bones: 1) gross skeletal anatomy, 2) bone macrostructure, and 3) bone microstructure (histology).