What is the main function of the nervous system?

A. To transport oxygen and nutrients
B. To protect the body from infection
C. To coordinate and control body functions
D. To remove waste products

Show Answer…
Correct Answer: C.To coordinate and control body functions
» Read More…

What happens to the membrane potential of a nerve cell during an action potential?

A. It becomes less negative
B. It becomes more positive
C. It becomes less positive
D. It becomes more negative

Show Answer…
Correct Answer: B. It becomes more positive
» Read More…