Which of the following would cause the mass of a wooden block to increase?
taking it to the moon
putting it in the freezer
both a and b
none of the above

they deliver oxygen to the blood

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.