Analysis Of The Article ' How Animals Keep Their Cool ' By Johanna Mayer

* Thermoregulation: The thermoregulation of the skin is carried out with the help of evaporation of the sweat and regulation of the blood flow to the dermis.

6. Evaporation evaporation of body water from the surface of the skin and the lining of the mucous membranes is a major source of heat reduction. Fluids are excessively secreted through sweat glands. This is stimulated in response to sympathetic neural activity and depends on a favorable temperature difference and the humidity of the air. Electrolytes

11.A. The stimulus is the hypothalamus sensing that the temperature is too low or too high and sends out signals to cool the body. The response is that the blood vessels in the skin dilate to radiate heat and the sweat glands increase sweat production.

Countercurrent heat exchanger in the paws (anatomical/physiological) - Along with many other animals including domestic dogs, there is a mechanism in the paws of arctic wolves that keeps them at a lower temperature than the body core so minimizing heat loss via this extremity that is in contact with the ground. Blood entering the paws is used to heat up blood that is leaving, this prevents the core from being cooled by heat loss at the extremities. Similar mechanisms are also found in the feet of birds such as ducks and penguins.

Cliffe, R. N., Haupt, R. J., Avey-Arroyo, J. A., & Wilson, R. P. (2015). Sloths like it hot: ambient temperature modulates food intake in the brown-throated sloth (Bradypus variegatus). PeerJ,3. doi:10.7717/peerj.875

Almost everyone on the planet sweats. It is the body's way of cooling down. It also helps eliminate waste products from the body at the same time. Now, for most people, sweating is not a problem. You sweat when you exercise or work outside in a hot day. You cool down and the sweating stops. That is normal.

fluctuations in temperature, both inside and out, can leave you wondering what you can do to reduce

With the tell tale signs of compelled sweat on their foreheads and under arms, the temperature pressured the men to remove their suit jackets and loosen their shirt collars. The women were not phased by the heat either out of acclimation or because most of them wore wide brim hats as an accessory.

The skin is the largest organ of the body, the skin protects us from microbes and the elements, it also helps regulate body temperature, and permits the sensations of touch, heat, and cold. There are three layers of skin, this includes the epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone, the dermis, beneath the epidermis, contains tough connective tissue, which gives the skin flexibility and strength, hair follicles, produce the various types of hair found throughout our body, sweat glands, these produce sweat in response to stress and heat, blood vessels of the dermis are what help regulate our body temperature, and nerve ending, which sense pain, pressure and temperature and the hypodermis, the deeper internal tissue is made of fat and connective tissue, this functions as a protective shield for

International Hyperhidrosis Society . (2014, n/a n/a). Physiology of Normal Sweating. Retrieved September 11, 2015, from International Hyperhidrosis Society :

If you notice your hands, feet, armpits, or back sweat easily, you are probably suffering from hyperhidrosis. Excessive sweating is not a normal occurrence. Many men and women suffer from this kind of condition, which presents a truly devastating effect on the sufferer's confidence and way of life. Some individuals have learned to live with hyperhidrosis by carefully choosing the clothes that they wear and the type of fabric that the clothes are made of so as to not bring any attention to the condition.

When you exercise all your sweat glands work and has an integral role while you exercise. All your sweat glands are working together to help regulate the body. There are two types of sweat glands, eccrine and apocrine. Eccrine sweat glands help to regulate the body’s temperature by emitting sweat onto the surface of the skin to help cool you down. The nervous system will stimulate the eccrine glands to produce sweat, which typically odorless and light. Apocrine glands do not regulate the body’s temperature, but creates substances that does have an odor. These glands typically produce sweat in response to hot situations, like while exercising. Therefore, all your sweat glands work to help regulate the body while exercising.

Sweat is normally created When the body temperature rises. Once this occurs, the nervous system sends signals to the sweat glands to release salty fluid. As sweat evaporates, this fluid cools the surface of the skin and helps reduce the core body temperature. On the other hand, excessive sweating is associated with a broad range of conditions. Such conditions include but is not limited to; pregnancy, menopause, hyperthyroidism

A legitimate adaptation the pygmy hippo has is its function of keeping its skin damp. This function is called “blood sweat” because it’s a

I like how you mention that other than bipedalism, we have the ability to sweat. Did you know that what keeps us cool is not the sweat itself, but the breeze and the air that passes us while we sweat?