What is sweat


Sweat is produced by sweat glands in the body, which produce a watery fluid and fluid containing substances such as proteins and lipids. We sweat from up to 5 million sweat glands located all over the skin on our body. However, sweating that is triggered by emotions or stress only happens in certain areas of the body, such as the armpits, palms and head.

How do we sweat?

There are two types of sweat glands on the skin: apocrine – found mainly in the armpit area – and eccrine glands, which are found all over the skin surface. The mechanism of perspiration, or sweating, is controlled by the body’s autonomic nervous system – the part of our nervous system which is under involuntary or ‘unconscious’ control.

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Apocrine glands become active from puberty and are found mainly in the armpits. They produce sweat when we feel strong emotions, stress, pain or exercise. The sweat from apocrine & glands is responsible for producing the smelliest body odour.

Eccrine glands are the most abundant type of sweat gland, found all over the skin and start to function soon after birth, releasing a dilute salt solution composed of 99% water. It is the eccrine gland that is responsible for the wet sensation of sweat. Sweat produced from the eccrine glands are key in keeping the body cool via thermoregulation.

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