<span>The prototype is missing a speed control mechanism. A natural heart can adjust the rate at which it pumps blood around the body - for example, it beats quicker during exercise. As such, the artificial heart needs a monitor that regulates how fast the blood needs to be pumped around the body to maintain a sufficient supply to muscles.</span>
All living things are made of cells, so yes, mushrooms are made of cells. :)
The answer to 1 and 2 is
fishing using cyanide and dynamite, pollution from sewage and agriculture, massive outbreaks of predatory starfish, invasive species.
<span>take the .9 meters it has to travel and multiply that by the 1 second it take to get 150 meters. Next all we have to do is take the product you get form that and divide it by the 150 meters. You should end up with 0.006 seconds to get 0.9 meters in the nervous system</span>
