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Cards In This Set
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Tissue
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Specialized cells of a given type clustered together
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What are the 4 types of tissues
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1. Muscle2. Nervous3. Epithelial4. Connective
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Muscle Tissue
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Cells specialized to contract
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3 Types of muscle tissue
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 1. Skeletal2. Smooth3. Cardiac |
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Skeletal Muscle
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Attached to bone or exoskeleton for locomotion -voluntary control
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Smooth Muscle
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Surrounds hollow tubes and cavities for propulsion of contents -involuntary control
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Cardiac Muscle
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Only in heart -Involuntary control
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Nervous Tissue
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Initiate and conduct electrical signals from one part of the animal"s body to another
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Epithelial Tissue
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Sheets of densely packed cells that (barriers, skin) -cover the body or individual organism -line the walls of body cavities.Specialized to protect and secrete or absorb.Can func. as selective barriers
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Connective Tissue
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Connects, anchors, and supports -includes blood, adipose, bone, cartilage, loose and dense c.t. -forms extracellular matrix around cells
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Organs
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Two or more kinds of tissues -ex. heart =cardiac muscle and connective tissue
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Organ Systems
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Different organs work together to perform an overall function -ex. heart and blood are parts of the circulatory system
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Body Fluids
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Diffuse high to low concentration
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Overall Body Plan
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Spatial arrangement of organs into organ systems are part of the body plan.
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Homolog
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A gene related to a second gene by descent from a common ancestral DNA sequence
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