Question

Функции кожи ?¿?????????????

Answer 1

Кожа выполняет 5 основных функций — защитная, теплорегулирующая, секреторная, дыхательная, обмен­ная и др.

Answer 2

Кожа защищает нас от проникновения микробов,служит для защиты от прямых ранений

Answer 3

Functions of the Skin

The skin is the largest organ of the human body and performs several important functions. Here are some of the key functions of the skin:

1. Protection: The skin acts as a protective barrier, shielding the body from external factors such as harmful microorganisms, UV radiation, and physical injuries. The outermost layer of the skin, called the epidermis, provides a waterproof barrier that prevents excessive water loss and protects against infection.

2. Regulation of Body Temperature: The skin plays a crucial role in regulating body temperature. It does this through processes such as sweating and dilation or constriction of blood vessels. When the body gets too hot, sweat glands in the skin produce sweat, which evaporates and cools the body. On the other hand, when the body gets too cold, blood vessels in the skin constrict to reduce heat loss.

3. Sensation: The skin contains numerous sensory receptors that allow us to perceive touch, pressure, temperature, and pain. These receptors send signals to the brain, enabling us to interact with our environment and respond to stimuli.

4. Excretion: The skin helps eliminate waste products from the body through sweat. Sweat glands in the skin excrete substances such as water, salts, and small amounts of metabolic waste products like urea.

5. Absorption: The skin can absorb certain substances, such as medications and chemicals. This property is utilized in transdermal drug delivery systems, where medications are applied to the skin for absorption into the bloodstream.

6. Production of Vitamin D: The skin plays a crucial role in the synthesis of vitamin D when exposed to sunlight. Vitamin D is essential for the absorption of calcium and phosphorus, which are important for bone health.

7. Aesthetic and Social Functions: The skin also plays a role in our appearance and social interactions. It can influence our self-esteem and confidence, and it is often a focus of beauty and skincare routines.

It is important to note that these functions may vary depending on individual factors such as age, health, and environmental conditions.

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