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 ...
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 ...
The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.
How can the soft bodies of coleoid cephalopods so aptly hide in their environment? Why must they? What cells and specialized organs make such crypsis possible for one of the older evolutionary ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果