Which structure of the heart acts like an automatic door that closes once blood enters a chamber and forces it to exit in the proper direction a. atria b. valves c. arteries d. ventricles

Wich technque is not recommended for use as a supporting detail

Select the correct answer. what is the first thing you should look for on a food label? a. calories from fat b. calories c. serving size d. number of servings

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