Explain how blood flows through the human heart. be sure to include the words lung, valve, atrium, and blood in your answer.
if you answer i will make brainiest
i am in a hurry

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 ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

Is this what you want?

I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts