donowodonovanacademy.org/ourpages/auto/2012/9/14/37632544/introduct… · 14/09/2012 ·...
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Do Now 1. Take out HW due today—Science in the
News Report on the Flu 2. Complete the Do now prompt On your notes
sheet. 3. When done—begin vocabulary grid for the
next unit.
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Do Now Answers
Use the following words: lungs, trachea, bronchi, diaphragm, respiratory system. Last week, we made a model of the respiratory system. The boLom glove of the model is the diaphragm. The straws are the trachea and bronchi. The glove fingers are the lungs. When we pulled on the boLom glove, the lungs filled with air.
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Your Learning Goal: �Students will analyze the structure and function of the respiratory and
circulatory systems through notes, videos, and a worksheet.�Standard: �5. b. Students know organ systems funcNon because of the contribuNons of individual organs, Nssues, and cells. The failure of any part can affect the enNre system
6. j. Students know that contracNons of the heart generate blood pressure and that heart valves prevent backflow of blood in the circulatory system. �
�
Homework: �Complete the back of the notes (respiratory
system worksheet)�
���
Agenda: �1. Do Now/ HW check �2. Bill Nye Video—respiratory�3. Introduction to circulatory
system�4. What went wrong? Images
and reflections�5. Exit Slip (5)�
Monday/ Tuesday Feb. 4-5, 2013
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Agenda
1. Do Now—Review of respiratory system (15) 2. Bill Nye Video on RespiraNon (30) 3. Notes on introducNon to circulatory system,
Blood vessels, blood (30) 4. What went wrong? ReflecNons (30) 5. Exit Slip (10)
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Bill Nye Video—RespiraNon Review
hLp://youtu.be/3lZ3G_nO5Xg Make sure you answer the video quesNons!
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INTRODUCTION TO CIRCULATORY SYSTEM The circulatory system is responsible for transporNng oxygen and nutrients throughout the body.
diseasespictures.com
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The circulatory system works with the respiratory system to bring oxygen into the body and get rid of carbon dioxide.
www.fi.edu
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The circulatory system has three main parts: 1. Blood 2. Blood vessels 3. The heart science.howstuffworks.com
biology.about.com
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BLOOD The main funcNon of blood is to deliver nutrients and oxygen to cells all over the body, and take away waste products like carbon dioxide.
blog.inceptsaves.com
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Blood is made of different substances: 1. Plasma 2. Red Blood Cells 3. White blood cells 4. Platelets
www.pennmedicine.org
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1. Plasma A fluid part of your blood that is 90% water and 10% proteins, nutrients, and sugars.
www.wisegeek.org -‐
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2. Red Blood Cells Jelly-‐ Donut shaped cells in your blood. They contain a chemical called hemoglobin that helps carry oxygen to cells and carbon dioxide away.
www.medterms.com
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3. White Blood Cells These cells make up a Nny porNon of your blood. They are a part of your immune system, which helps fight against invading bacteria and viruses
healthinfoispower.wordpress.com
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4. Platelets These are also a Nny part of your blood. Platelets are Nny parNcles that help prevent blood loss. When you bleed, your platelets slow down the bleeding by clohng, or “bunching together” www.fi.edu
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BLOOD VESSELS—3 types 1. Arteries—thick,
muscular vessels that carry oxygen-‐rich blood away from the heart and to the rest of the body.
They branch smaller and smaller as they get further away from the heart. 8.5 Artery, Vein, & Capillary Structure
losrios-‐training.org
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2. Capillaries—extremely thin and Nny blood vessels that allow oxygen, carbon dioxide, and nutrients to pass through its walls. They are only one cell thick. They join arteries and veins together.
8.5 Artery, Vein, & Capillary Structure losrios-‐training.org
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3. Veins—thinner vessels that carry oxygen-‐poor blood from the rest of the body back to the heart. They contain valves to prevent blood from flowing backwards, since they are further away from the heart. The skeletal muscle surrounding the veins help move the blood forward. 8.5 Artery, Vein, & Capillary Structure
losrios-‐training.org
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HEART Helps pump blood, is muscular, and around the size of your fist. Divided into four chambers, called the atria and ventricles We’ll learn more next Nme!!!
en.wikipedia.org
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Homework
Finish back of notes—respiratory system. DUE WED.
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Exit Slip
1. What is the main funcNon of the circulatory system?
2. What is blood made of (4 parts?) 3. What are the 3 kinds of blood vessels, and how are they different from one another?