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A1.1.1.AmazingFacts


NN AME ACTIVITY 111 AMAZING FACTS INTRODUCTION IN PRINCIPLES ame:


Activity 1.1.1: Amazing Facts



Introduction

In Principles of the Biomedical Sciences, you were introduced to the workings of the human body from a variety of perspectives. You discovered that the human body is, in many ways, a complex “living machine,” capable of carrying out thousands of processes on a daily basis. You also discovered that errors in these processes can occur and that medical interventions are often needed to get the body back on track.


In Human Body Systems, you will delve deeper into the workings of the body and investigate the organs and organ systems that are at the core of our identity. We all have our own unique differences, but the processes that occur inside and the general organization scheme of our bodies unite us as humans. Over the course of the year, you will study specific human body systems, developing a greater understanding of how these systems function together to maintain good health and longevity.


Did you know that red blood cells make about 250,000 trips around the human body before returning to the bone marrow (where they were created) to die? Did you know that babies are born with about 300 bones, but by adulthood, we only have 206? In Activity 1.1.1, you will find a variety of amazing facts about a specific body system. You will review both the structure and function of the system and you will investigate how that system is capable of accomplishing the amazing feat described in these facts. As you tour interesting facts from other systems, you will decide if your system also plays a role in the process or function described in that fact. Throughout the course, you will see that our actions are the result of a coordination of many body systems. When this balance is lost or the communication between systems fails, disease or death can result.


During this activity, you will begin working with body system graphic organizers. You will use these diagrams throughout the course to compile information about specific body systems and draw and label key anatomy. Each handout has an outline of the body and you will designate each one to be used for only one system. When a handout becomes filled, you will get blank copies to continue the work. All of these will be kept in the front of your binder for references and study.

Equipment


Procedure

  1. As a team of two you will be assigned one of eleven human body systems. Your assigned system is now referred to as your primary system.

  2. Obtain a blank copy of the body system graphic organizer (GO) from your teacher. On the back of the body system organizer separate the page in half (top & bottom). Write a title “Facts” on the top and “Secondary Systems” on the bottom.

  3. Each pair should use the Internet to find ten unusual, interesting and/or amazing facts about your primary system. Record the facts on the back of the GO. These facts must be things you would not expect your classmates to know. Choose facts that are fun and interesting!

  4. Read over your list and select the “Top 5” amazing facts for your primary system that you will share with your classmates.

  5. Label the body system graphic organizer with the name of your primary system.

  6. Determine what specific organs from the primary system are involved in each of your five facts.

  7. Carefully draw and label these organs to scale on the body system graphic organizer using colored pencils. Draw and label only the most important organs. Be sure you know how large the organs should be and where they should be located. At the bottom of the system organizer explain the main function of the whole system as well as the main organs.

  8. Obtain an overhead transparency from your teacher and one colored marker for your team. Write the name of your primary system as the heading on the transparency. Neatly draw and label the important organs of your primary system.

  9. When your group is called to the front of the classroom display one complete body system graphic organizer for your primary system on the overhead projector. Present and explain each of your amazing facts and go over the organs involved.

  10. As each team presents their facts, all other teams will decide if their primary system plays a role in any of the facts being discussed. Does your primary system act as a secondary system here? A secondary system is a system that has cells, tissues and/or organs that are impacted by, or work with, the primary system being described.

  11. If you find a connection raise your hand and explain your connection to the presenting group. The presenters will then add the name of the secondary system on the transparency. On the back of your body system graphic organizer write one sentence explaining the importance of this secondary system to the function or processes described. List the important secondary organs below the sentence.

  12. An example is shown in the next step.



  1. Continue to share ideas and make connections between systems as each group presents.

  2. When all teams have presented, make sure you have at least five examples of how secondary systems are involved with primary systems.

  3. Keep your graphic organizer in the front of your binder. You will complete organizers for many other body systems over the course of the year. For now, you are the class expert in your primary system.

Conclusion

  1. Diseases and/or medical conditions often involve more than one system. In fact, the effects on a secondary system may be as serious as the primary system most associated with the problem. For example, heart disease can often cause fluid build up in the lungs. The primary system in this example is the cardiovascular system; the secondary system is the respiratory system. Fluid in the lungs will prevent the lungs from functioning properly causing the respiratory system to fail, yet the problem started with the cardiovascular system. In complete sentences describe another medical condition or disease where the primary system causes a serious problem with a secondary system (you may use the internet to find more information). Use extra paper when needed.



























  1. Think about the earth we live on and all the systems that interact to keep it healthy. Now think about the primary human body system you researched for this activity and describe an earth system that is analogous (does the same thing but for the earth). Be sure to include some examples to support your answer.

© 2009 Project Lead The Way, Inc.

HBS Activity 1.1.1 Amazing Facts – Page 4


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