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A&P Chapter 1&2

Anatomy and Physiology

TermDefinition
Matter A physical substance that has mass and occupies space.
List three subatomic particles and their charge...if they have one. Protons (+), Neutrons (=), and Electrons (-).
Ionic Bonds One atom donates an electron to another atom that needs it to complete a shell
Covalent Bonds Electrons are donated by each atom to complete the Octet rule.
Hydrogen Bonds Happen between adjacent molecules, not atoms
What is the difference between reactants, products, and metabolism? Reactants are going through a chemical reaction, products are the outcome of the reaction, and metabolism is how many reactions are taking place at a given moment.
Name 3 types of energies and what they are referring to. Kinetic energy is motion energy, potential energy is stored energy, and chemical energy is potential energy stored in chemical bonds.
Name all 4 types of chemical reactions. Decomposition (includes hydrolysis), synthesis (anabolism), reversible reactions, and exchange reactions
What is the difference between organic and inorganic compounds? Organic compounds are based on Carbon and Hydrogen, Inorganic are not.
Anatomy Describes the structures of the body: what they are made of and where they are located.
Physiology The study of anatomical structures/ individual and cooperative functions.
Name the levels of organization in order. Chemical molecular level, cellular level, tissue level, organ level, organ system level, and organism level.
Homeostasis All body systems working together to create a stable internal environment. Also a state of equilibrium.
Negative Feedback The response of the effector negates the stimulus, returning it back to normal homeostasis.
Positive Feedback The response of the effector exaggerates and enhances original stimulus, pushing away from homeostasis.
Created by: Shytiger14
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