What stuctures increase surace area for more digestion of nutrients

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

Hi friends? i need new friends who are 18 years and younger im 16 lets be friends

You're running a mild fever and you don’t have much of an appetite. you missed one day of school, and you just don't feel like yourself. you're planning to see a healthcare professional after lunch. which facility are you least likely to visit?