It was a dark and stormy night, when suddenly you saw a flash of lightning. three-and-a-half seconds later you heard the thunder. given that the speed of sound in air is about 340 m/s, how far away was the lightning bolt?

Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size