Main Function
This system lets us use the bathroom. The kidneys pull harmful molecules out of your blood stream and leave the ones that are good for you. A organ that is a part of this system is your kidneys. The Circulatory system moves the blood that circulates through the body passes through each of the two kidneys.
This system lets us use the bathroom. The kidneys pull harmful molecules out of your blood stream and leave the ones that are good for you. A organ that is a part of this system is your kidneys. The Circulatory system moves the blood that circulates through the body passes through each of the two kidneys.