Your mental feelings, they could affect your want to have physical activity. and your eating habits. if you make yourself sick when you eat, you might feel exhausted, meaning you would lack in physical activity.
Answer:
Opioids
Opioids are a class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription
A, human lungs weigh around 2.2 pounds.
