3/8/2024 0 Comments Atomical heart![]() Each of the major pumping chambers of the heart ejects approximately 70 mL blood per contraction in a resting adult. If one assumes an average rate of contraction of 75 contractions per minute, a human heart would contract approximately 108,000 times in one day, more than 39 million times in one year, and nearly 3 billion times during a 75-year lifespan. The vital importance of the heart is obvious. ![]() Trace the pathway of oxygenated and deoxygenated blood thorough the chambers of the heart.Identify the veins and arteries of the coronary circulation system.Compare systemic circulation to pulmonary circulation.Relate the structure of the heart to its function as a pump.Identify the tissue layers of the heart.Describe the internal and external anatomy of the heart.Describe the location and position of the heart within the body cavity.By the end of this section, you will be able to: ![]()
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