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BIO 213-F09 - Lecture 4 - Tissues & Blood

BIO 213-F09 - Lecture 4 - Tissues & Blood - The...

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The Biology of Animals Structure and Function Chapters 25, 28, 29 Bio 213
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Read Chapter 25 Organization: Tissues, Organs, Systems
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Biological hierarchy Cells we are done with those for awhile! Tissues A group of similar cells that do a particular job or function Organs Two or more tissues that work together to perform a particular function
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But first, What are the four tissue types? Epithelium Body coverings and linings Nervous Receives stimuli, conducts impulses Connective Supports & binds Cartilage, bone, adipose, blood Muscle Moves the body
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What are the organ systems of the body?? Integumentary (skin) Nervous Muscular Skeletal Circulatory Endocrine Lymphatic Respiratory Digestive Urinary Reproductive
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Homeostasis “Staying the same” Sensory receptors detect a stimulus Integrator control center Effectors response
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Negative Feedback Loop Built in mechanism to maintain homeostasis Response reverses the effect Positive feedback End result is an amplifying affect
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Transport System Chapter 29 Circulatory System
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