Marijuana:
Seventh graders should know that the drug is the least harmful drug ever. Marijuana has caused no deaths and yet is illegal in many places. It has no horrible effects to your body and brain like other ecstasy and cocaine. Alcohol is more dangerous and has caused more deaths than marijuana and its legal why can't marijuana be too since its way less dangerous?!
Answer:
The greatest challenge is how to change human behavior to promote health.
Explanation:
With the invention of new technologies that made our lives easier and simpler, we have become lazier and have changed their diets, replacing healthy food for quick and not nourishing meals. We dedicate more time to other activities where minimal movement is required. These habits have been forming since the last century along with new technologies and the changes in lifestyle. One of the greatest challenges is to change this unhealthy behavior and replace it for healthy habits throughout different plans, campaigns, and education.
The function of the digestive system is to eliminate nondigestible waste.
once the digestive system has gotten all the nutrients it could from the food it turns it into waste and disposes of it.
Good Luck! :)
Aerobic energy comes from the burning of carbohydrates.