As a specialist in the field of human physiology, I can explain the process of sweating when one gets nervous. Sweating is a natural response of the body to various stimuli, including emotional stress, and it plays a critical role in maintaining homeostasis, which is the body's internal balance.

When we experience stress or anxiety, our body's sympathetic nervous system is activated. This system is part of the autonomic nervous system, which regulates involuntary bodily functions without conscious control. The sympathetic nervous system is often referred to as the "fight or flight" response because it prepares the body to either confront or escape from a perceived threat.

The activation of the sympathetic nervous system leads to the release of various hormones, including adrenaline, which increases the heart rate, dilates the pupils, and stimulates the sweat glands. Sweat glands, known as eccrine glands, are found all over the body but are most concentrated in areas such as the palms, soles, and armpits. These glands produce sweat, which is primarily composed of water, salts, and small amounts of other electrolytes.

The primary function of sweating is to cool the body, but when it occurs in response to stress, it serves as a physiological response to the perceived danger. The eccrine glands are particularly sensitive to emotional triggers and are the first to produce sweat in response to the sympathetic nervous system's activation. This is why you often notice sweating on your palms, soles, and underarms during moments of anxiety or stress.

In addition to the cooling effect, sweating can also be a means of detoxification, as it helps to remove waste products from the body. Furthermore, it can act as a signal to others that an individual is experiencing stress, which can be important in social situations.

It's important to note that while sweating is a normal and necessary function, excessive sweating, known as hyperhidrosis, can be a sign of an underlying medical condition and may require treatment.

In summary, the act of sweating when nervous is a complex physiological response involving the sympathetic nervous system and the eccrine glands. It is a natural mechanism to help the body cope with stress and maintain balance.

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What causes nervous sweating? ... When we get stressed, the larger apocrine glands -C mainly in the armpits and groin -C produce sweat. Stressful situations also cause our heart rate to increase, and encourage hormones and adrenaline to flood the body, causing additional sweat from our eccrine glands.read more >>