பக்கம்:Physical and Health Education-6 to 10.pdf/305

விக்கிமூலம் இல் இருந்து
Jump to navigation Jump to search
இந்த பக்கம் மெய்ப்பு பார்க்கப்படவில்லை


14. 15. Í 6. 17. 18. leadership qualities and also they develop the best in our body and mind and educate and prepare us for a sucCessful life. How many systems are there in our body? Digestive system; respiratory system; circulatory system; excretory system; nervous system; Reproductory system; skeletal system and muscular system. How many sense organs are there in our body? The eyes, the ears, the nose, the tongue and the skin are known as sense organs. They receive stimuli from the environments and pass the messages to the brain which interprets the messages for further action and also proper action. What are the functions of skin? Our body is covered by a thick layer called skin. Excretion is only one of the functions of skin that is it gives off water, salts, and other products in the form of sweat. It maintains the water balance of the body. The skin contains receptors for the recognition of pressure, cold, heat and pain. Vitamin D is formed in the skin, gives protection to the internal Organs, What is first aid? First aid means the steps and measures to be taken immediately after an accident, in order to prevent further harm and dangers. What are communicable diseases? Many of the diseases are infectious and spread from a person suffering from the disease to healthy persons. Such diseases are called communable diseases. Common cold, influenza, meascles, diptheria, dysentery, ty 58