Answer:
T-Cell
Explanation:
T-Cell is the first line of deffence
<span>The lifelong learning help most people because </span><span>D. It prevents the onset of age-related diseases.Learning it would teach them how to be patient in life and how to maintain a self discipline from other stuffs and focus on the current situation which can lead to the prevention of any age related diseases. </span><span />
This is a tuff question because there are a lot of drugs that if misused could cause this problem. I wish this was multiple choice. But im going with "Oxycodone" as my answer
B. recreational activity's such as walking, throwing, or riding a bike to school
Cardiorespiratory endurance, muscular strength/endurance, and flexibility