Mena region - Study guides, Revision notes & Summaries

This is a passive system that works on the principle of density difference to transport heat energy. Potable heat transfer fluid (i.e., water) is heated by a solar collector and the natural convection drives the water from the solar collector unit to the hot water storage tank unit. Water becomes less dense due to solar heating and expands according to the temperature rise. Hot water is circulated to the storage tank, and the relatively cooler water from the bottom of the tank is circulated to t...

Cervical cord injuries- serious complications Chapter 16 12,000-person experience serious spinal cord injuries each year. Risk factors: 1. Male gender and age 16 to 30 are strong risk factors. 2. Motor vehicle accidents are the leading cause of injury (36.5%) 3. Falls are the next most common cause (28.5%) 4. Violence, other events 5. Sports activities 6. Elderly Hemiplegia means loss of motor function on one side of the body. Paraplegia refers to loss of motor function of the lower ...