I think that people have lost their jobs because of an increase of computers
The volume of blood ejected from the left ventricle into the aorta each minute is called cardiac output.
<span>Cardiac output can be defined as the product of the heart rate or the number of heartbeats per minute (bpm), and the stroke volume which is the volume of blood pumped from the ventricle per beat.</span>
Answer:
Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation.