Explain (in your own words) how blood flows through the heart and throughout the body.

(Well, these aren't your words but who cares?)
Oxygen enters the lungs, and enters the alveoli. These tiny organs transport oxygen into red blood cells. These red blood cells move around the body transporting oxygen and nutrients to all the cells including the heart, which pumps it around. It picks up waste from the cells and the lungs breathe that waste out.

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nutanraj654 nutanraj654 · Answer 2 · 2022-07-05T14:00:59+02:00

Blood comes into the right atrium from the body, moves into the right ventricle, and is pushed into the pulmonary arteries in the lungs. After picking up oxygen, the blood travels back to the heart through the pulmonary veins into the left atrium, to the left ventricle, and out to the body's tissues through the aorta.

What is the correct order of blood flow from the heart to the body?

Oxygenated blood flows into the left atrium through the pulmonary veins. The left atrium contracts. Blood flows through the mitral valve into the left ventricle. The left ventricle contracts and blood flows into the body along the aorta.

So, the correct answer is 'Right atrium, right ventricle, left atrium, left ventricle.

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