EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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Chapter 11, Problem 2CT
Some nutritionists claim that the secret to long life is to be slightly underweight as an adult. If a person’s weight is related partly to diet, partly to activity level, and partly to genetics, what underlying factors could be at work to generate statistics that support this claim?
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Some nutritionists are claiming that the secret to long life is to be slightly underweight as an adult. If a person’s weight is related partly to diet, partly to activity level, and partly to genetics, what underlying factors could be at work to generate statistics that support this claim?
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Chapter 11 Solutions
EBK HUMAN BIOLOGY
Ch. 11 - What are the main functions of the stomach? What...Ch. 11 - Explain the differences between the digestion...Ch. 11 - List the organs and accessory organs of the...Ch. 11 - Define peristalsis, and list the regions of the GI...Ch. 11 - Using the black lines shown in Figure 11.27, name...Ch. 11 - Different regions of the digestive system...Ch. 11 - Maintaining normal body weight requires that...Ch. 11 - The preferred energy sources for the body are...Ch. 11 - Prob. 4SQCh. 11 - Digestion is completed and products are absorbed...
Ch. 11 - After triglycerides are absorbed, they leave the...Ch. 11 - Excess carbohydrates and proteins are stored as...Ch. 11 - Prob. 8SQCh. 11 - Basal metabolic rate is a measure of ______. a....Ch. 11 - Match the digestive system parts and functions.Ch. 11 - Prob. 1CTCh. 11 - Some nutritionists claim that the secret to long...Ch. 11 - As a person ages, the number of body cells...Ch. 11 - Along the lines of question 3, formulate a healthy...Ch. 11 - The food label in Figure 11.28 lists the nutrients...
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- Choose which step of the scientific method is represented by this statement: Will people who eat fast food, daily, develop symptoms of poor health related to obesity?arrow_forwardAre the following statements true or false? A. Most of the energy stored in the human body is in the form of fat, followed by protein. The body has only limited capacity for storage of carbohydrate. B. It is estimated that one kg of fat gain requires 2500 kcal of energy surplus. A is true, B is true O A is false, B is true A is true, B is false O A is false, B is falsearrow_forwardLifestyle and genetics are each important components of health. Recent research provides evidence for which of the following statements? Question 84 options: a) Exercise can overcome the effects of a poor diet b) Genetic predisposition to a disease cannot be overcome c) There is no correlation between improved diet and decreased disease d) A more “prudent” diet can minimize the effects of geneticsarrow_forward
- A researcher assessed body weight in a community using two methods. First, participants were asked, “Do you think you are overweight?” (Possible answers: ‘yes’ or ‘no’). All participants were then weighed and classified as ‘overweight’ or not. The assessment was however done separately by hypertensive status. Among 270 hypertensive participants, 108 were classified as overweight on the basis of being weighed. Of these 108, 54 reported themselves as overweight when questioned. Of the 162 participants not classified as overweight on the basis of being weighed 16 reported themselves as overweight when questioned. Among 745 non-hypertensive participants, 134 were classified as overweight on the basis of being weighed. Of these 134, 118 reported themselves as overweight when questioned. Of the 611 participants who were not classified as overweight on being weighed, 110 reported themselves as overweight on questioning. Separately for the groups: (1) People with hypertension (2) People…arrow_forwardWhen the body is in a state of "dis-ease" the systems in our body do not function the way that they do when we are in a state of "ease". In a study of two adult twin sisters age 54, Beth and Mary, scientists were trying to understand why these twins had very different body weights and why Mary was suffering from a gastrointestinal disease yet her sister was healthy. They studied the healthy twin (Beth) to see if they could learn anything about her sisters disease from studying her. They were raised in the same house until they went to different colleges (Beth stayed in London and Mary lived along the coast line in a farm town in France). They were both mostly healthy throughout their childhood although Mary had a very sensitive stomach and suffered from allergies. Through the use of questionarres, stool samples and genetic samples the researchers learned so much about the two sisters, including that Beth was born vaginally but Mary was born by C- section because their mom was to…arrow_forwardObesity is a serious health problem for many Americans. Several popular diet plans advocate low-carbohydrate diets. Most low-carb dieters compensate by eating more protein and fat. What are the advantages and disadvantages of such a diet? Should the government regulate the claims of diet books? How should the claims be tested? Should diet proponents be required to obtain and publish data before making claims?arrow_forward
- A researcher wants to investigate whether a daily corn-based diet supplemented with powdered milk would increase the daily weight gain of growing calves. What is the controlled variable for this experiment?arrow_forwardhGH is an important part of fat metabolism, muscle development, and bone growth. Synthetic hGH can be used to treat children and adults suffering from hGH deficiency. More recently, competitive athletes have began taking hGH in an attempt to improve athletic performance. The use of hGH for athletics is banned by many major sporting organizations. A recent study of 44 athletes who took daily injections of hGH over 20 days showed that, on average, the athletes gained 4.2 lbs of muscle, but the gain in muscle did not translate to increased athletic performance.Evaluate each statement regarding the use of hGH by competitive athletes to determine whether the statement is an example of an ethical, economical, societal, or environmental issue. Athletes who play professional sports should be encouraged to take synthetic hormones to improve performance because their job is to win. Athletes who took hGH did not improve their sport performance but did improve their appearance and marketability.…arrow_forwardWhy do you think so many people in America are either overweight or obese? List five factors that contribute to the problem with an explanation of why for each one. List five health problems associated with being overweight or obese with an explanation of why for each one. List five possible solutions for managing weight to reduce the rates of overweight and obesity with an explanation of why for each one.arrow_forward
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Nutrition and Diet - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=SFE1DfAlipo;License: Standard Youtube License