Task: Question Answering
Input (English): Process:  -Kidneys filter waste out of blood -Composition of blood is regulated -Volume of water in blood is kept constant -PH is kept at a constant level -Kidneys help regulate blood pressure -Kidneys stimulate the making of red blood cells -Calcium levels are maintained.
 Question: What is the effect of PH is kept at a less constant level on kidneys stimulate the making of red blood cells less.?
Output (English): against