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Assignment 1

Human Physiology Assignment #1

QuestionAnswer
Homeostasis is defined as the relative constancy of the normal body's internal (fluid) environment.
What are the four minimum basic components in every feedback control loop? Sensor mechanism, integrator or control center, effector mechanism, and feedback.
How many elements occur naturally on earth? 92.
What is atomic mass? The sum of the number of protons plus the number of neutrons in the atom's nucleus.
The term atomic weight refers to the average mass number for a particular element based on the typical proportion of different isotopes found in nature.
Radioactivity is the emission of radiation from an atom's nucleus.
An ionic bond is the strong electrostatic force that binds the positively and negatively charged ions together in a crystal.
What are the three basic types of chemical reactions? Synthesis reactions, decomposition reactions, and exchange reactions.
In synthesis reactions, two or more substances called reactants combine to form a different, more complex substance called a product.
Decomposition reactions result in the breakdown of a complex substance into two or more simpler substances.
Exchange reactions permit two different reactants to exchange components and, as a result, form two new products.
Created by: erestrada
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