Blood enters the heart through two large veins the inferior and superior vena cava emptying oxygen-poor blood from the body into the right atrium of the heart As the atrium contracts blood flows from your right atrium into your right ventricle through the open tricuspid valve
Answer:
on average, Americans do not consume enough phosphorus in their diets
Explanation: all others are true but Americans not consuming enough phosphorus in their diets is false.
Idk really what the question or id be able to help you
