Whales, dolphins and porpoises are marine mammals of the order Cetacea. They don't have sweat glands because they always live in the water. Rather, they rely on the surrounding water to regulate their body temperature. There are cetaceans in all oceans and some freshwater lakes and rivers.
Do all mammals have sweat glands?
Eccrine sweat glands are found in virtually all mammals. However, in most other animals, the fluid from the eccrine glands is used to provide grip, not to cool. Most mammals have eccrine holes only on the soles of their feet or hands.
Do all animals sweat?
After all, only mammals have sweat glands. .. Only primates such as monkeys and apes and horses have many sweat glands that can sweat like humans. However, all other mammals still need to regulate their body temperature.
Do most animals sweat?
True sweating is primarily limited to primates and horses. Instead, most animals have evolved to keep their body temperature constant in a variety of ways, including gasping, rolling in the mud, swimming in the water, relaxing in the shade, and urinating or defecation throughout the body. 2021
Do pigs have sweat glands?
Pigs have some sweat glands, but they are not very useful for temperature control. As mercury rises on the farm, Wilbur is submerged in cold water and mud. This has the same evaporation effect as sweating.
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