C) speaking in a moderate and assertive tone
an organ system is a group of organs that work together for a common function. the order goes cells, tissues, organs, organ systems, organism.
The answer is option B. Prostate Cancer. Along with Digital Rectal Exam, PSA Test is encouraged for men over 50. PSA Test or the Prostate-Specific Antigen Test is a diagnostic test to detect abnormalities or cancer. A Prostate-Specific Antigen is detected and measured in the blood.
Any answer choices?? but mainly basics