Science Clips - Keeping Healthy
Science for nine- to 11-year-olds. The lungs, how we breathe, and the damaging effects of smoking; the heart as a pump for circulation; and keeping fit and healthy with good diet and exercise.
Science for nine- to 11-year-olds. The lungs, how we breathe, and the damaging effects of smoking; the heart as a pump for circulation; and keeping fit and healthy with good diet and exercise.