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Painting of Paddlefishes (Polydon spathula)The Paddlefish is almost a slate color and has long gill covers and a mouth much like a shark. Their skeletons also resemble that of a shark as they are composed mostly of cartilage. They are often found in rivers including the Mississippi, Yellowstone,...
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Paddlefishes Polydon spathula sea water ocean river fish blank white |
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Painting of Cartilage:Cartilage is a stiff yet flexible connective tissue found in many areas in the bodies of humans and other animals, including the joints between bones, the rib cage, the ear, the nose, the elbow, the knee, the ankle, the bronchial tubes and the intervertebral discs. It is...
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Cartilage flexibile connective tissue chondrocytes |
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Painting of Trachea:Trachea is a common term for an airway through which respiratory air passes in organisms. In vertebrates, it is held open by up to 20 C-shaped rings of cartilage, and may also be known as the "windpipe."
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trachea wind pipe respiratory pipe |
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Painting of Trachea:Trachea is a common term for an airway through which respiratory air passes in organisms. In vertebrates, it is held open by up to 20 C-shaped rings of cartilage, and may also be known as the "windpipe."
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trachea wind pipe respiratory pipe |
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Painting of Bronchioles:The bronchioles or bronchioli are the first airway branches that no longer contain cartilage. They are branches of the bronchi, and are smaller than one millimeter in diameter. There are no glands or cartilage in any of the bronchioles, and the epithelial cells become more...
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Bronchioles |
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