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Chapter 1


What are the survival needs nutrients, oxygen, water, normal body temperature, and appropiate atmospheric pressure
What separates the thoraic cavity from the abdominopelvic cavity? the diaphragm
Structure determines ___ function
Positive feedback enhances stimulus
What is the hypothalamus? area in brain that helps regulate homeostasis
Examples of positive feedback: labor contractions and blood clotting.
Metabolism chemical reactions
Atom subatomic particle such as proton, nerutron, and electrons
Molecule 2 or more atoms
Cell smallest functioning unit of a living organism
Organelles small version of an organ
Tissue group of many similar cells
Organ 2 or more tissue types
Organ System group of organs that work together to perform major functions
Organism living thing that can perform all functions necessary for life
Main purpose of negative feedback: maintain homeostasis
Negative feedback moves ___ in the opposition direction of stimulus
Examples of negative feedback: regulation of body temperature
Cytology is the study of __ cells
hypo below
hyper above
Metabolism chemical reactions
Created by: Mariahj25
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