Find the mean of the set of numbers: 22, 25, 20, 13, 5

A patient presents with extremely pale skin. His family states that this is not his normal skin color. His vital signs are pulse 108, respirations 18, blood pressure 102/86, and SpO2 96% Which one of the following complaints would make the most sense given this clinical presentation?

A) Persistent cough B) Fever C) Rectal bleeding D) Headache

The _____ system is the most external and visualized organ in the human body

A) circulatory B) respiratory C) integumentary D) endocrine