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$\bullet$ How much blood in a heartbeat? A typical human contains 5.0 $\mathrm{L}$ of blood, and it takes 1.0 min for all of it to pass through the heart when the person is resting with a pulse rateof 75 heartbeats per minute. On the average, what volume of blood, in liters and cubic centimeters, does the heart pump during each beat?
$6.7 \times 10^{-2} \mathrm{L}$67 $\mathrm{cm}^{3}$
Physics 101 Mechanics
Chapter 1
Models, Measurements, and Vectors
Physics Basics
Rutgers, The State University of New Jersey
University of Michigan - Ann Arbor
University of Washington
McMaster University
Lectures
04:16
In mathematics, a proof is…
09:56
In mathematics, algebra is…
02:56
When at rest, your heart p…
05:36
How many times does a huma…
02:25
A beating heart. How many …
03:40
00:37
Each human heartbeat pumps…
01:31
Blood is pumped from the h…
02:16
The human heart is a power…
00:22
The stroke volume, which m…
09:52
A typical human heart pump…
02:17
During each heartbeat, app…
01:19
02:07
BIO Power of the Human Hea…
01:10
If the average volume flow…
01:58
The aorta carries blood aw…
01:27
The heart of a resting adu…
00:55
You take your pulse and ob…
02:49
The left ventricle of a re…
04:56
Blood flow A typical human…
03:37
03:58
in case we're doing Chapter one problem. 55. So we were trying to figure out for a human who contains five litres of blood. It takes one minute to process all through your heart. If you're at 75 beats per minute, which means you can process five point no leaders in 75 Meeks. Okay, so we want to figure out, on average, that volume of blood in leaders and cubic centimeters. Does this have so volume? If we know there is five liters and 75 beats and we want to find the leaders and each, we can just take five leaders over 75 peace and we see that this is 0.6 point seven times 10 to the native to leaders for each beat, which is also equal to 67 cubic centimeters. That's it. Very simple problem.
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