Connective Tissue

Connective Tissue - cells erythrocytes carry oxygen White...

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Connective Tissue Bone, shown in Figure 8, has calcium salts in the matrix, giving it greater rigidity and strength. Bone also serves as a reservoir (or sink) for calcium. Protein fibers provide elasticity while minerals provide elasticity. Two types of bone occur. Dense bone has osteocytes (bone cells) located in lacunae connected by canaliculi. Lacunae are commonly referred to as Haversian canals . Spongy bone occurs at the ends of bones and has bony bars and plates separated by irregular spaces. The solid portions of spongy bone pick up stress.
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Blood is a connective tissue of cells separated by a liquid ( plasma ) matrix. Illustrations of blood cells are shown in Figure 9. Two types of cells occur. Red blood
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Unformatted text preview: cells ( erythrocytes ) carry oxygen. White blood cells ( leukocytes ) function in the immune system. Plasma transports dissolved glucose, wastes, carbon dioxide and hormones, as well as regulating the water balance for the blood cells. Platelets are cell fragments that function in blood clotting. Muscle Tissue Muscle tissue facilitates movement of the animal by contraction of individual muscle cells (referred to as muscle fibers ). Three types of muscle fibers occur in animals (the only taxonomic kingdom to have muscle cells): • skeletal (striated) • smooth • cardiac...
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This note was uploaded on 11/29/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.

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Connective Tissue - cells erythrocytes carry oxygen White...

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