True, children do go through many changes.
Answer: C. 33%
33% of the population of the United States is obese.
Explanation:
Obesity refers to a medical condition which occurs when an individual carries excess body weight or body fat that can affect his or her health. About 33% of the population of the United States has excess amount of body fat which can be caused by genetic and environmental factors and can also be difficult to control through dieting alone. A high body mass index indicates obesity. Body mass index is a tool that doctors can use to assess if an individual is at an appropriate weight.
Answer: People with chlamydia don't always have symptoms.
About 80% of women and 50% of men won't show signs of infection. If symptoms start, they will generally show up within 1 to 3 weeks after exposure, but can take as long as 6 weeks to appear.
Explanation:
Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. So for a 50-year-old, maximum heart rate is 220 minus 50, or 170 beats per minute.
Explanation:
You will gain more health benefits because your training the muscles to be under stress.
