For instance, we might set one floor with a temp of 68 for active periods and 62 for inactive. The other floor may be set for 66 and 60. Our thermostats are 4 cycle units so we set a morning high temp that goes to the lower temp just before the last person leaves the house.
A rhytid, (riâ²tid), is a wrinkle in the skin. The skin is composed of three layers: the epidermis, the dermis, and subcutaneous fat. The epidermis, the top layer of the skin, produces melanin, which gives the skin its color. It also protects the skin, with special cells known as keratinocytes, against environmental toxins.
Chondrichthyes (/kÉnËdrÉªkÎ¸É¨.iËz/ ; from Greek ÏÎ¿Î½Î´Ï- chondr- 'cartilage', á¼°ÏÎ¸ÏÏ ichthys 'fish') is a class that contains the cartilaginous fishes: they are jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.lasmobranchii is a subclass that includes the sharks and the rays and skates. Members of the elasmobranchii have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales.