The circulatory system takes the carbon dioxide from the cells to the lungs and the respiratory system expels ir.
Answer:
At times the virus activity appeared to sediment at a rate comparable with that of particles about 80 to 120 mµ in diameter, at other times at a rate comparable with that of particles about 10 mµ in diameter,
Explanation:
They can use those recently discovered genes and insert them in another species (fruits and vegetables) using genetic ingeniery technics so they can speed up the cell division on them, and accordingly increase the production.
Your answer is "Hydropower uses the kinetic energy of water to generate electricity"
-it transports nutrients in the body
-it circulates macrophage in the body