Charley the chimp holds an object by pressing fingers against the palm in a clawlike style. This is called

Infant mortality rates in the United States vary by ethnicity. Which of the following is true?

a. Latinos have the highest infant mortality rate. b. African Americans have the lowest infant mortality rates. c. Asian Americans have the highest infant mortality rates. d. African Americans have the highest infant mortality rates.

What is the main function of myelin?

a) To connect the end of an axon to the terminal buttons. b) Myelin consists of a bilayer of continuous sheets of phospholipids that separate two fluid environments. c) To pass information from the axon across the synapse in the form of a neurochemical message. d) Myelin speeds the rate of information transfer in neurons and ensures that the message gets to the end of the axon. e) None of the above is a function of myelin.