Okay so in my health book it says 120/80 to 139/89 is prehypertesion. but my doctor says my blood pressure is perfect at 120/80. so whos right? i say my doctor but why does the book say thats wrong?

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Drea has never had alcohol, but she believes her friends when they tell her that almost everybody at their school drinks on a regular basis. in reality, very few students at the school drink alcohol. which statement best describes what is occurring in this situation? a. peers are influencing what drea thinks of as normal behavior. b. peers are pressuring drea to drink. c. drea is not really influenced by what her peers think. d. drea is giving in to peer pressure.

What are the five food groups recommended by the usdas my plate food guidance system