<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>
Answer:
the answer is 3.) deposition
Answer: False
Tropic rain-forest resides within the tropic of cancer and tropic of Capricorn, there are also rain forest in temperate areas between the tropics of cancer and Capricorn .Tropical rain forest has hundreds of tree species but temperate rain forest have only about 10-20 tree species . Temperate rain forest mostly have most animal insect and reptile life at ground level but in tropical rain forest life spans from the ground to tree tops
