Which part of the central nervous system is used to serve as the main communication link between the body and the brain?
a. cerebrum
b. cerebellum
c. spinal cord
d. brain stem user: 14. which of the following accurately describes hiv?
a. hiv leads to aids

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons