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Chapter 24

BIOL 1010 Chapter 24: Topic 24.5

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Biological Sciences
BIOL 1010
Emily A.Mc Kinnon

o98729 Bio 1010 Anatomy: study of the form of an organism’s structure Physiology: study of the functions of those above structures In a bear, single muscle cell. This cell’s main function is to CONTRACT, and the stripes in the cells indicate the precise alignment of strands of proteins that perform that function. Each muscle cell is also branched, providing for multiple connections to other cells that ensure coordination of contractions of all the muscle cells in the heart. Together, these heart cells make up a tissue = SECOND STRUCTURAL LEVEL Tissue: integrated group of similar cells that perform a common function. The cells of a tissue are specialized and their structure enables them to perform a specific task; coordination contraction. Organ: made up of two or more types of tissue that together perform a specific task. Muscle tissue, the heart includes nervous, epithelial and connective tissue. The circulatory system, an organ system that the heart is a component. Organ system: consists of multiple organs that together perform a vital body function. Other parts of the circulatory system include the blood and blood vessels; arteries, veins and capillaries. Organism:containsanumberoforgansystems,eachspecializedforcertaintasks and all functioning together as an integrated, coordinated un
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