Answer is C
Explanation
Obesity is a heterogenous condition and therefore cannot be considered a disorder.
Answer;
improve your chances of going to college
Explanation;
Physical activity helps improve academic achievement. Teachers have long suspected it. Physical activity can have an impact on cognitive skills and attitudes and academic behavior, all of which are important components of improved academic performance.
Exercise affects the brain on multiple fronts. It increases heart rate, which pumps more oxygen to the brain. Exercise stimulates the brain plasticity by stimulating growth of new connections between cells in a wide array of important cortical areas of the brain.
In human exchange of gases takes place in alveoli in lungs
In plants it occurs in leaves through stomata
In fishes it occurs through gills
