What does the left ventricle do?

The left ventricle plays a crucial role in the circulatory system by pumping oxygen-rich blood to the body tissues. After oxygenation in the lungs, blood returns to the heart and enters the left atrium. From there, it flows into the left ventricle, which then contracts and forces the oxygenated blood into the aorta and subsequently into the rest of the body through systemic circulation. This process is essential for delivering the necessary oxygen and nutrients to various tissues and organs, supporting their metabolic functions.

Understanding the left ventricle's role helps highlight its importance in overall cardiovascular health. For example, if the left ventricle is not functioning properly due to conditions such as heart failure or myocardial infarction, it can significantly impair the delivery of oxygenated blood, leading to serious health complications.