Which of the following describes the anatomy of the gastrointestinal tract?
a. A vat-like vessel b. A rigid, solid tunnel
c. A flexible muscular tube d. A firm, duct-like channel
Question 2
Which of the following is a feature of physical inactivity and energy balance?
a. There is a strong genetic component to reduced physical activity of overweight people
b. Differences in the time obese and lean people spend lying, sitting, standing, and moving account for about 350 kcalories per day
c. Although watching television correlates with weight gain, playing video games does not, presumably due to the heightened excitement engendered by action games
d. Extraordinarily inactive people who lower their food intakes below that of their lean counterparts activate brown adipose tissue uncoupling proteins that stimulate hyperthermic weight loss
