Question

Нервная система ... от жары и холода

Answer 1

Ухудшает работоспособность

Answer 2

реакции на перепады погоды называют метеотропностью

нервная система в жару

Нарушения в нервной системе. Ухудшается настроение, появляется нервозность, развивается агрессивность. Может появиться бессонница.

нервная система в холод

На резкое похолодание обычный организм отвечает как на любой стресс – выбросом адреналина. Под влиянием холода сначала происходит кратковременное сужение сосудов, затем они расширяются и увеличивается кровоток. Когда человек попадает в холод, его тело начинает дрожать, это сокращаются мускулы, чтобы уменьшить теплоотдачу.

?Нервная система нарушается от жары и холода?

Answer 3

The Nervous System and its Response to Heat and Cold

The nervous system plays a crucial role in regulating the body's response to external temperature changes, including heat and cold. It helps maintain homeostasis by coordinating various physiological processes to ensure the body's internal temperature remains within a narrow range.

1. Response to Heat: When the body is exposed to high temperatures, the nervous system initiates a series of responses to cool down the body and prevent overheating. These responses include:

- Sweating: The nervous system activates sweat glands to produce sweat, which evaporates from the skin's surface, cooling the body down through evaporative cooling. - Vasodilation: Blood vessels near the skin's surface dilate, allowing more blood to flow through them. This increases heat loss through radiation and convection. - Increased Respiration: The respiratory rate may increase to facilitate heat loss through exhaled air. - Behavioral Changes: The nervous system may trigger behavioral responses, such as seeking shade or cooler environments, to reduce heat exposure.

2. Response to Cold: In cold temperatures, the nervous system activates mechanisms to conserve heat and maintain body temperature. These responses include:

- Vasoconstriction: Blood vessels near the skin's surface constrict, reducing blood flow to the skin and conserving heat. - Shivering: The nervous system triggers muscle contractions, known as shivering, to generate heat through increased metabolic activity. - Piloerection: The nervous system causes the contraction of tiny muscles attached to hair follicles, resulting in the hair standing on end. This response helps trap a layer of air close to the skin, providing insulation. - Behavioral Changes: The nervous system may prompt behavioral responses, such as seeking warmth or wearing additional clothing, to minimize heat loss.

It's important to note that individual responses to heat and cold can vary depending on factors such as age, overall health, and acclimatization to different temperatures. Additionally, certain medical conditions or medications may affect the body's ability to regulate temperature effectively.

I hope this information helps! Let me know if you have any further questions.