What do arteries do?
a. carry blood to the heart from the rest of the body
b. carry blood away from the heart to the rest of the body
c. carry blood from one part of the heart to another
d. store blood without moving it

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.