Both are fresh water people use them for drinking water
Concerning your heart, that's the circulatory system
Your lungs are the respritaory system
<span>Since the seminal vesicles produce somewhere in the 60 to 70 percent range of the overall volume of the ejaculate, this would lead to the volume of the fluid being in the 3.6-4.2 ml range. The prostate gland would be responsible for the remainder of the collected volume.</span>
<span>An individual generates some 100 kilowatt hours of thermal and kinetic energy a year. Our daily calorie intake from food is re-released throughout the day – at any one time, we’re expending the energy equivalent of a 100 watt bulb – and this alternative energy source can be harnessed. </span>