➤ Tellurium is an indispensable element for stimulating the normal functioning of the central nervous system.

➤ Promotes homeostasis of liver and bile enzymes secretion, removes excess cholesterol from the body.

➤ Hazardous effects are manifested by symptoms such as cephalgia, pharyngeal reflex, gastrointestinal and central nervous system disorders.

➤ Causes liver and kidney damage,

➤ Has a carcinogenic effect on the body.

➤ Alkyl telluride compounds block some enzymes, which causes the air a person exhales to smell like garlic.

➤ Deficiency of Tellurium in the body leads to myocarditis.

➤ It causes a decrease in the amount of thyroid hormones - hypothyroidism, which is characterized by a decrease in immunity and failure of enzymatic reactions.

➤ K₂TeO₃ (potassium tellurite) - 2% solution (culture medium)

➤ Na₂TeO₃ (Sodium tellurite) - for the treatment of acute liver dystrophy.

➤ Organic Te compounds are used to treat pancreatitis and toxic hepatitis.

➤ It is used in the treatment of carcinomas and has antibacterial properties

➤ In case of severe intoxication with Telur, blood serum containing glucose and morphine is injected into a vein.

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➤ Once ingested through the respiratory system, H₂Te causes pharyngeal reflex, bronchitis and pneumonia, regulates hematopoiesis and the central nervous system, and can lead to alopecia.

➤ Antidote: Unitiol.

➤ The salts of telluric acid K₂TeO₃ and Na₂TeO₃ were used in microbiology to stain bacteria - diphtheria bacillus was isolated.

➤ The maximum permissible concentration in air is 0.01 mg/m³ .

➤ Hydrogen H₂Te is the most toxic.

➤ Te is a typical semiconductor.