Answer:
KE = 1/2 mv^2=0.5x 10 X 20^2= 800
Explanation
It receives blood from the whole body. Blood from the lungs enters the heart through the pulmonary vein into the left atrium. ... - Has ventricles that has thicker walls thus more muscular than auricles generating higher pressure to pump blood over long distances.
Cells have limitations, if the cell is stronger it targets other cells , when a cell is weak it possibly mean it’s disease.