Read the following statements and select the incorrect one about the circulatory system and output voltage of a closed die?
1) The circulatory system is responsible for transporting oxygen, nutrients, and hormones throughout the body.
2) The output voltage of a closed die is determined by the resistance and current flowing through the circuit.
3) The circulatory system consists of the heart, blood vessels, and blood.
4) The output voltage of a closed die is constant and does not change.