Mosby items and derived items Â© 2006, 2003, 1999, 1995, 1991 by Mosby, Inc. Mosby items and derived items Â© 2006, 2003, 1999, 1995, 1991 by Mosby, Inc. Mosby items and derived items Â© 2006, 2003, 1999, 1995, 1991 by Mosby, Inc. Mosby items and derived items Â© 2006, 2003, 1999, 1995, 1991 by Mosby, Inc. Slide 5. Signs and Symptoms. ïµDisease. ïµIt is any disturbance of a. structure or function of the body. ïµIt is recognized by a set of signs. and symptoms.
The electromagnetic spectrum contains many types of waves, one of which is infrared waves. Other electromagnetic waves include gamma rays, x-rays, ultraviolet, visible light, microwaves, and radio. Infrared waves are electromagnetic radiation of a particular wavelength or color that we have named 'infrared.' They are between 700 nm (nanometers) and 1 mm. Note that 1 mm is equal to 1,000,000 nanometers. They are just beyond what our eyes can detect on the red side of the rainbow.
What is Infrared? Our eyes are detectors which are designed to detect visible light waves (or visible radiation). Visible light is one of the few types of radiation that can penetrate our atmosphere and be detected on the Earth's surface. There are many forms of light (or radiation) which we cannot see with our eyes.