Human beings are organisms and the human body is composed of these structural and functional organizational levels. The levels of organization in anatomy and levels of organization examples include the following: The levels of organization from cell to organism in a mouse. All matter in the universe is composed of one or more unique pure substances called elements, familiar examples of which are hydrogen, oxygen, carbon, nitrogen, calcium, and iron. Creative Commons Attribution License Tissues are groups of cells and materials surrounding them. The organism level is the highest level of The reproductive system includes either the male or female sex organs. Figure 1.1. All rights reserved. This is just the organism, or the life form and all the As a member, you'll also get unlimited access to over 84,000 16 Pics about Chapter 1: AN INTRODUCTION TO THE HUMAN BODY Human Anatomy are not subject to the Creative Commons license and may not be reproduced without the prior and express written There are four tissue types in the body. What is the Function of the Integumentary System? All cells are capable of making more of themselves through cell division. A cell is the smallest independently functioning unit of a living organism. Examples of organs include the heart, which is mainly muscular tissue and functions to pump blood throughout the body; the skin, which is made of epithelial tissue and provides external protection and temperature regulation; and the brain, which is composed of nervous tissues and processes sensory information. 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\newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), http://cnx.org/contents/14fb4ad7-39a1-4eee-ab6e-3ef2482e3e22@9.1, http://cnx.org/contents/14fb4ad7-39af2482e3e22@9.1, status page at https://status.libretexts.org, Describe the structure of the human body in terms of six levels of organization, List the eleven organ systems of the human body and identify at least one organ and one major function of each. \begin{aligned} F & = P ( 1 + i ) ^ { n } ( 1 + f ) ^ { n } ( 1 + g ) ^ { n } \\ & = P [ ( 1 + i ) ( 1 + f ) ( 1 + g ) ] ^ { n } \end{aligned} All human cells are made of a cell membrane (thin outer layer) that encloses a jelly-like cellular fluid containing tiny organ-like All other trademarks and copyrights are the property of their respective owners. Cells are the basic structural units of living matter. A tissue is a group of similar cells that work together to perform a specific function. Organ Systems of the Human Body (continued). - Definition, Types & Temperature, What is Subsidence? In multicellular organisms, including humans, all cells, tissues, organs, and organ systems of the body work together to maintain the life and health of the organism. All living structures of human anatomy contain cells, and almost all functions of human physiology are performed in cells or are initiated by cells. To study the smallest level of organization, scientists consider the simplest building blocks of matter: atoms and molecules. All matter in the universe is composed of one or more unique pure substances called elements, familiar examples of which are hydrogen, oxygen, carbon, nitrogen, calcium, and iron. WebChapter 1: AN INTRODUCTION TO THE HUMAN BODY Human Anatomy (MASTER). Did you know one of the groups is, Homeostasis: positive/ negative feedback mechanisms, Maintaining Life: Necessary Life Functions - Anatomy & Physiology : Anatomy & Physiology, Maintaining Life: Necessary Life Functions, Heart Anatomy: chambers, valves and vessels. 4. Amanda has taught high school science for over 10 years. It operates by using an intrinsic control and conduction system that, Can you name the 11 organ systems of the human body from memory? 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