The endocrine system is made of glands that secrete hormones. These hormones help regulate the organs and cells activity. The hormones among other things control your metabolism.
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>
