heat-insulation skin
41Aerogel — is a low density solid state material derived from gel in which the liquid component of the gel has been replaced with gas. The result is an extremely low density solid with several remarkable properties, most notably its effectiveness as a… …
42Down feather — The down of birds is a layer of fine feathers found under the tougher exterior feathers. Very young birds are clad only in down. Powder down is a specialized type of down found only in a few groups of birds. Down is a fine thermal insulator and… …
43Emu — For other uses, see Emu (disambiguation). Emu Temporal range: Paleocene–present …
44thermoreception — Sensory capacity (see sense) to detect the temperature of the environment and the body. It helps keep body temperature stable by regulating autonomic responses to temperature changes (see homeostasis). Temperature sensations are generated by… …
45Thermoregulation — is the ability of an organism to keep its body temperature within certain boundaries, even when temperature surrounding is very different. This process is one aspect of homeostasis: a dynamic state of stability between an animal s internal… …
46Extreme environment clothing — normally refers to clothing for Arctic or mountainous areas on land, although it is sometimes used for survival suits worn by mariners. The basic approach is to insulate one s body from heat loss, and keep liquid water or ice out of the… …
47Dinosaur — For other uses, see Dinosaur (disambiguation). Dinosaurs Temporal range: Late Triassic–Late Cretaceous, 231.4–65.5 Ma …
48Diving suit — Two divers, one wearing a 1 atmosphere diving suit and the other standard diving dress, preparing to explore the wreck of the RMS Lusitania, 1935 A diving suit is a garment or device designed to protect a diver from the underwater environment.… …
49architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
50human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
