The Vegetable World's Ugly Duckling: Celeriac. Celeriac -- also known as celery root, knob celery and turnip-rooted celery -- is cousin to anise, carrots, parsley and parsnips. In winter, it's a great alternative to potatoes and other starches. Jack Staub.
As part of their 60 or more minutes of daily physical activity, children and adolescents should include muscle-strengthening activities, like climbing, at least 3 days a week and bone-strengthening activities, like jumping, at least 3 days a week.
How Much Physical Activity Should Your Family Get? The U.S. Department of Health and Human Services 2008 Physical Activity Guidelines for Americans recommend that children and teens be physically active for at least 60 minutes on most, if not all, days. For children, the 60 minutes of activity can be done in smaller chunks of time over the day.