Download - Animal form and function!
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Animal form and function!
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Levels of organization:----what comes before?
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• Histology:– the study of tissues.
• Tissues:– groups of cells which are similar in
structure and which perform common or related functions.
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Four Basic Kinds of Tissues
• Epithelial Tissue• Connective Tissue• Muscle Tissue• Nervous Tissue
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Epithelial Tissue
• Epithelial Tissue Locations:– Covers the body– Lines the cavities, tubes, ducts and blood vessels inside
the body– Covers the organs inside body cavities
• Epithelial Tissue Functions:– Protection from physical & chemical injury,– Protection against microbial invasion,– Contains receptors which respond to stimuli,– Filters, secretes & reabsorbs materials and– Secretes serous fluids to lubricate structures.
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Connective Tissue
• Connective Tissue:– Most abundant & widely distributed tissue
• Connective Tissue Functions:– Connects, binds and supports structures,• Tendons, ligaments, etc.
– Protects & cushions organs and tissues,– Insulates (fat) and– Transports substances (blood).
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Muscle Tissue
• Muscle Tissue:– Associated with the bones of the skeleton, the heart and
in the walls of the hollow organs of the body.• Muscle Tissue Functions:– Movement– Locomotion– Maintains posture– Produces heat– Facial expressions– Pumps blood– Peristalsis
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Identify the following cell organelles
• Cell Organelles– cell membrane– cytoplasm – nucleus – nuclear membrane– nucleolus – chromosomes – chromatin
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List of the organ systems of the body!
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Levels of organization:----what comes before?
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Thermoregulation!