Human Biology
http://www.ck12.org Chapter 1. Human Biology You may have even had to stay home from school because of a "stomach bug." It is po ...
1.20. Health of the Digestive System http://www.ck12.org FIGURE 1.37 Some of the foods that commonly cause allergies are shown h ...
http://www.ck12.org Chapter 1. Human Biology MEDIA Click image to the left for more content. What is the most basic step to pre ...
1.21. Cardiovascular System http://www.ck12.org 1.21 Cardiovascular System Describe the functions of the cardiovascular system. ...
http://www.ck12.org Chapter 1. Human Biology The blood also carries hormones, which are chemical messengers, through your body. ...
1.21. Cardiovascular System http://www.ck12.org Intro To The Cardiovascular Systemat http://www.youtube.com/watch?v=DAXa4eR1s0M ...
http://www.ck12.org Chapter 1. Human Biology 1.22 Circulation and the Lymphatic System Explain how the cardiovascular and the l ...
1.22. Circulation and the Lymphatic System http://www.ck12.org FIGURE 1.39 The lymphatic system helps return fluid that leaks fr ...
http://www.ck12.org Chapter 1. Human Biology Summary The lymphatic system works with the cardiovascular system to return body f ...
1.23. Heart http://www.ck12.org 1.23 Heart Describe the structure of the heart and how blood moves through the heart. Where is ...
http://www.ck12.org Chapter 1. Human Biology FIGURE 1.41 The atria receive blood and the ventricles pump blood out of the heart. ...
1.23. Heart http://www.ck12.org FIGURE 1.42 Blood flows in only one direction in the heart. Blood enters the atria, which con- t ...
http://www.ck12.org Chapter 1. Human Biology 1.24 Blood Vessels Describe some important arteries and veins. Distinguish between ...
1.24. Blood Vessels http://www.ck12.org FIGURE 1.43 The right side of the heart pumps de- oxygenated blood into pulmonary circul ...
http://www.ck12.org Chapter 1. Human Biology Vocabulary aorta: Largest artery; receives blood directly from the heart. artery: ...
1.24. Blood Vessels http://www.ck12.org Systemic and Pulmonary Circulationat http://www.youtube.com/watch?v=0jznS5psypI (0:30) ...
http://www.ck12.org Chapter 1. Human Biology 1.25 Components of Blood Describe the components of the blood. What’s in your blo ...
1.25. Components of Blood http://www.ck12.org These bags of blood will be stored until they are needed for a transfusion. But wh ...
http://www.ck12.org Chapter 1. Human Biology FIGURE 1.45 The flattened shape of red blood cells helps them carry more oxygen tha ...
1.25. Components of Blood http://www.ck12.org FIGURE 1.47 A platelet lies between a red blood cell, at left, and a white blood c ...
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