Exercise and Heart Rate

Front

What causes the 'lub' sound of our heart beat?

Back

The closing of the tricuspid and bicuspid valve as the ventricles contract.

Front

What causes the 'dub' sound of our heart beat?

Back

The closing of the pulmonary and aortic valves when the pressure in the ventricles is lower than in the arteries.

Front

Where does the 'lub dub' of a heart beat come from?

Back

The sound of blood being pushed against closed, one-way valves.

Front

What is the maximum heart rate for a young adult?

Back

~200 beats per minute.

Front

What is a heart beat?

Back

The sound made by the heart as it pumps blood, often referred to as 'lub dub'.

Front

What is the role of the heart valves?

Back

To prevent backflow of blood and ensure it flows in one direction.

Front

What is the function of the ventricles in the heart?

Back

To pump blood out of the heart to the lungs and the rest of the body.

Front

What is the function of the atria in the heart?

Back

To receive blood returning to the heart from the body and lungs.

Front

What is blood pressure?

Back

The force of blood against the walls of the arteries.

Front

What is the average resting heart rate for a teenager?

Back

Typically between 60 to 100 beats per minute.