A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Cold hands and feet signal poor blood circulation to extremities.

Good health depends on strong circulation. Blood flow carries oxygen and nutrients to every part of the body-including the heart, brain, skin, and muscles. When circulation is impaired, the body ...

Several articles have dealt with the importance and mechanisms of the sympathetic nervous system alterations in experimental animal models of ... Schematic diagram depicting the balance between the ...

The mammalian circulatory system comprises both the cardiovascular system and the lymphatic system. In contrast to the blood vascular circulation, the lymphatic system forms a unidirectional transit ...

Researchers at the Georgia Institute of Technology and India's National Center for Biological Sciences have found that yeast clusters, when grown beyond a certain size, spontaneously generate fluid ...