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Chapter 1

QuestionAnswer
The study of the structure of the human body Anatomy
What is the general purpose of negative feedback? To maintain homeostasis
Which of the following body systems delivers oxygen and nutrients to the body tissue: Cardiovascular, immune, nervous, reproductive Cardiovascular
The smallest unit of organization that processes the characteristics of life cell
The sum of all chemical reactions in the body is termed metabolism
The most abundant chemical substance in the body accounting for 60-80% of body weight water
place the following in the correct sequence from simple to most complex 1. molecule 2. atoms 3.tissue 4.cells 5.organs 2-1-4-3-5
Neutral subatomic particle neutron
Homeostasis is the condition in which the body maintains a relatively stable internal environment, within narrow limits
The type of chemical bond in which electrons are shared between atoms so that each atom is able to fill its outer shell covalent bonds
The substance present in the greatest amount in a solution solvent
biological catalysts enzymes
Elements that have the same number of protons but differ in the number of neutrons isotopes
a molecule that provides a form of energy that is immediately usable by all body cells Adenosine triphosphate, ATP
a number of 2 on the pH scale indicates a substance is acidic
the building blocks of protiens amino acids
the capacity to do work energy
the _ of any atom is equal to the number of protons in the nucleus atomic number
Created by: CaitxNicole
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