I'm bored so R. a..t. e pls (Tbh I'm trying to delete this account)

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

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

Sapphron is 60 inches tall and weighs 90 pounds. use the formula below and a calculator to answer the question about her weight. bmi = weight (in pounds) ÷ [height (in inches)]² x 703 which bmi category fits sapphron? a. 25.2, overweight b. 17.5, underweight c. 18.6, appropriate weight