Regions affected by water retention. In most cases of Kidney Failure, impaired kidneys fail to do their basic work including removing extra fluid and keeping useful nutrition in the body. Then, excessive amount of fluid may accumulate in legs, feet, ankles, around eyelids, hands, abdomen, lung, etc.
, X-rays X-rays: High frequency electromagnetic radiation, used for medical imaging. , most of the ultraviolet and some of the infrared [infrared radiation: Electromagnetic radiation emitted from a hot object. ] are absorbed by the atmosphere and do not reach the Earthâs surface.ight, some infrared, some ultraviolet ultraviolet radiation: Electromagnetic radiation with a frequency between that of visible light and X-rays. , and microwaves microwaves: Electromagnetic radiation with a frequency between that of visible light and radio waves.
c. Electromagnetic waves can travel through empty space; mechanical waves can't d. Electromagnetic waves are long chains of vibrating molecules; mechanical waves aren't 7. Which of the following are electromagnetic waves? a. Water waves b. Radio waves c. Sound waves d. Seismic waves 8. What type of waves carry energy at a right angle to the direction of the energy flow? a. Compression waves b. Transverse waves c. Sound waves d. P-waves 9. How is wavelength measured? a. b. c. d. 10. What can you infer about a wave with a short wavelength? a. It has a low amplitude b.