Dan Berkowitz might never have noticed the phenomenon if not for the new lights. In 2012, Johns Hopkins University’s Berkowitz had just moved to a lab space where the lights were motion-activated, and ...

Brain Receives electrical impulses from sense organs, processes them and transmits electrical impulses to glands and muscles to make appropriate responses Heart Pumps blood to the body tissues and ...

Running through parts of the brain are a dozen pairs of cranial nerves, which link the brain directly to muscles and sense organs in the head, neck, and upper body. The brain also contains four ...

They detect a change in the environment (stimulus) and stimulate electrical impulses in response. Sense organs contain groups of receptors that respond to specific stimuli.