Which term describes the amount of blood the heart pumps with each beat?

Stroke Volume specifically refers to the amount of blood that the heart ejects with each contraction or heartbeat. This measurement is crucial in understanding how effectively the heart is functioning, as it indicates the volume of blood delivered to the body with each pulse.

Key factors that influence stroke volume include the heart muscle's strength, the amount of blood returning to the heart, and the resistance of blood vessels. Recognizing the importance of stroke volume allows health professionals to assess cardiac performance, monitor heart health, and make informed decisions regarding treatment and interventions.

Cardiac Output, while related, refers to the total volume of blood pumped by the heart in one minute and is calculated by multiplying stroke volume by heart rate. Blood Volume pertains to the total amount of blood circulating within the body, and Heart Rate indicates how many times the heart beats in a minute. Each of these terms plays a role in cardiovascular function, but stroke volume uniquely identifies the volume per heartbeat, making it the correct term in this context.