If you stick your hand in a bucket of ice water for a few moments you will most likely feel both cold and pain sensations. Which pathway, from the spinal cord to the brain, carries this information?
Spinothalamic
Endogenous opiates
dorsal

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.