Question

Для чего человеку нужна выделительная система

Answer 1

Ответ:

Он выводит из организма избытки воды и ядовитые вещества

Объяснение:

Answer 2

Ответ:

виводить з організму надлишок води, продукти обміну речовин, солі, а також отруйні речовини, які потрапили в організм ззовні чи утворилися в ньому.

Answer 3

The Function of the Excretory System in Humans

The excretory system is an essential system in the human body that performs several vital functions. It is responsible for removing waste products and excess substances from the body, maintaining the balance of fluids and electrolytes, and regulating blood pressure. The main organs involved in the excretory system are the kidneys, urinary bladder, ureters, and urethra.

1. Removal of Waste Products: One of the primary functions of the excretory system is to eliminate waste products generated by the body's metabolic processes. These waste products include urea, uric acid, creatinine, and ammonia. The kidneys filter these waste products from the blood and excrete them in the form of urine. The urine is then transported to the urinary bladder through the ureters and eliminated from the body through the urethra.

2. Regulation of Fluid and Electrolyte Balance: The excretory system plays a crucial role in maintaining the balance of fluids and electrolytes in the body. The kidneys regulate the amount of water and electrolytes, such as sodium, potassium, and calcium, in the blood. They reabsorb essential substances and adjust the concentration of urine to conserve or eliminate excess water and electrolytes as needed. This process helps maintain the body's overall fluid balance and electrolyte levels.

3. Regulation of Blood Pressure: The excretory system also contributes to the regulation of blood pressure. The kidneys produce a hormone called renin, which plays a key role in controlling blood pressure. Renin helps regulate the balance of salt and water in the body, which affects blood volume and blood pressure. Additionally, the kidneys produce another hormone called erythropoietin, which stimulates the production of red blood cells in the bone marrow, contributing to the oxygen-carrying capacity of the blood.

4. Acid-Base Balance: The excretory system helps maintain the body's acid-base balance by regulating the concentration of hydrogen ions (pH) in the blood. The kidneys filter and excrete excess hydrogen ions and reabsorb bicarbonate ions to maintain a stable pH level in the body. This process is essential for proper cellular function and overall homeostasis.

In summary, the excretory system in humans serves several crucial functions, including the removal of waste products, regulation of fluid and electrolyte balance, control of blood pressure, and maintenance of acid-base balance. The kidneys, along with other organs of the excretory system, work together to ensure the proper functioning and overall health of the body