This may help you....
A "serving<span>" is an amount of a food, such as a cup or an ounce, used in providing dietary guidance (recommendations) or making comparisons among similar foods (such as on the food label). Servings and </span>portions<span>are not always the same. The key to helping kids stay healthier is eating sensible </span><span>portion sizes.</span>
The correct answer is lumbar curvature.
<span>Ab Roller Evolution is made of metal. It supports neck, head and upper body during workout. It is an upper body trainer: works chest and core. You can do push ups, sit ups, dips. By providing improved support, it reduces stress and strain on body.</span>
<span />Description above is from Amazon.
It is a good idea but has some problems with its design. There is no way to secure it on the floor during exercise. So it moves around when pushed against and would not provide support. A normal crunch will likely work out better.
In an acute exacerbation of asthma, you would expect to hear whistling sound or wheezing when you listen to her lungs. Whistling sound is indicative of constricted air passages due to obstructed air flow. This obstruction of airway is due to inflammation of bronchial tubes that narrows air passages.
