Match the following long-term effect of tobacco use with the correct body system. blood vessels in brain narrowed

Describe the potential effects, on people, of unprotected exposure to the sun.give an example of 1 new thing have you learned about the sun’s uv rays.

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.