Sweating in animals Do animals also sweat like humans? T.S.
Keerthika, Chennai ANSWER 1: Sweating or perspiration is a means
of reducing body heat among warm-blooded terrestrial (land)
animals. Some wastes are also removed as salts. As the
temperature variation in water is slow and marginal, aquatic
animals do not have this problem. In cold-blooded land animals,
body temperature varies according to the atmospheric
temperature. On the other hand, warm-blooded animals have to
keep their body temperature constant. For this they resort to
conduction, convection, radiation and evaporation of water when
hot weather or exercise heats the body. Body heat is absorbed by
the water present in body fluids and carried to the outer
surface to be vaporised. There are two types of perspiration
insensible and sensible. In insensible perspiration water from
the body fluids diffuses through the skin and vaporises without
wetting the body. Sweat glands have no role in this. Water lost
during respiration, as we exhale comes under