Unlike the electricity that powers lights, the body’s electrochemical energy relies upon ____

Which level of communication indicates only a superficial level of awareness of the meaning of a statement?

a. level 1 b. level 2 c. level 3 d. level 4

Which of the following is true of cancer?

A) People who are less prone to anger are more likely to develop cancer than others. B) Cancer is the leading cause of death in the United States. C) People cannot inherit a disposition toward cancer. D) People whose immune system is damaged may be more likely to develop cancer.