Human Biology
http://www.ck12.org Chapter 1. Human Biology FIGURE 1.19 The biceps and triceps act against one another to bend and straighten t ...
1.11. Muscles and Exercise http://www.ck12.org 1.11 Muscles and Exercise Describe how exercise affects the muscular system. Wh ...
http://www.ck12.org Chapter 1. Human Biology Anaerobic Exercise and Muscular Strength Anaerobic exercises cause muscles to get b ...
1.11. Muscles and Exercise http://www.ck12.org FIGURE 1.21 When done regularly, aerobic activities, such as cycling, make the he ...
http://www.ck12.org Chapter 1. Human Biology Summary Aerobic exercise helps improve the cardiovascular system, while anaerobic ...
1.11. Muscles and Exercise http://www.ck12.org Review What are the health benefits of aerobic exercise? Describe two types of m ...
http://www.ck12.org Chapter 1. Human Biology 1.12 Food and Nutrients Explain why the body needs food. What happens when you do ...
1.12. Food and Nutrients http://www.ck12.org eating salads (Figure1.23). Why do you need foods like these for good health? What ...
http://www.ck12.org Chapter 1. Human Biology protein: Organic compound composed of amino acids and includes enzymes, antibodies ...
1.13. Types of Nutrients http://www.ck12.org 1.13 Types of Nutrients Identify the roles of carbohydrates, proteins, and lipids. ...
http://www.ck12.org Chapter 1. Human Biology FIGURE 1.24 Up to the age of 13 years, you need about 130 grams of carbohydrates a ...
1.13. Types of Nutrients http://www.ck12.org FIGURE 1.25 Between the ages of 9 and 13 years, girls need about 26 grams of fiber ...
http://www.ck12.org Chapter 1. Human Biology FIGURE 1.26 Between the ages of 9 and 13 years, you need about 34 grams of proteins ...
1.13. Types of Nutrients http://www.ck12.org restaurants and fast food chains. Beginning in 2010, California banned trans fats f ...
http://www.ck12.org Chapter 1. Human Biology 1.14 Vitamins and Minerals Give examples of vitamins and minerals, and state their ...
1.14. Vitamins and Minerals http://www.ck12.org TABLE1.2:(continued) Vitamin Necessary for Available from Daily amount required ...
http://www.ck12.org Chapter 1. Human Biology health problems. Many people get too much sodium. Sodium is added to most packaged ...
1.15. Choosing Healthy Foods http://www.ck12.org 1.15 Choosing Healthy Foods Describe how to choose foods wisely for optimal he ...
http://www.ck12.org Chapter 1. Human Biology MyPyramid MyPyramid(Figure1.27) is a diagram that shows how much you should eat eac ...
1.15. Choosing Healthy Foods http://www.ck12.org Choose a variety of different vegetables each day. Be sure to include both dar ...
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