Sandhu has type 1 diabetes, so he must frequently inject himself with insulin. He has to be careful not to inject himself too often or with too much of the hormone because this vital chemical will virtually disappear from his bloodstream.

glucose

Explanation: insulin moves glucose from the bloodstream into the cells

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;

the answer to your question is: family members who abuse drugs.

(i hope this ! )