electronic components harmfulness on human beings

Particulates seriously affect the human respiratory system and cause people to cough, get sore throats and obscure vision. The particles with small size are more harmful as they reach the lungs easily and get accumulated there, causing several respiratory illnesses. Particulate..

Smog causes respiratory problems like asthma attacks, bronchitis, heart related disorders. Being noxious, it causes irritation to eyes, throat and nose. It reduces visibility and affects road as well as air traffic. It damages plants; Ozone is very toxic to leafy vegetation suc..

Question: What is the scientific name for human beings? (Seperate the components) Answer: Homo sapiens. Homo - generic name sapiens - specific name (species name)..

Innate (Non - specific) Immunity - The human body continuously attempts to maintain homeostasis by counteracting harmful stimuli in the environment. These stimuli are mostly disease - causing organisms called Pathogens or their toxins. Innate immunity consists of all those defen..

About 70-73% of earth is covered by water. Water is available in the form of oceans, seas, rivers, lakes, ponds, pools, polar ice caps and water vapour. The main component of hydrosphere is water. Water exists in all the three forms i.e., solid (snow), liquid (water) and gas (water vapour..

Extensive usage of several pesticides and other chemicals to protect our crops from diseases and pests has resulted in the entry of these harmful chemicals into our bodies through the food chain. These chemicals are either washed down into the soil or into the water bodies. From the soil..

Human settlements in the form of cluster of housing units have always been a source of pollution. Because, human beings generate large quantity of wastes during the course of their daily activities. Activities like washing, cleaning, bathing, food preparation, as well ..

Water - About 70-73% of earth is covered by water. Water is available in the form of oceans, seas, rivers, lakes, ponds, pools, polar ice caps and water vapour and this forms the hydrosphere. The main component of hydrosphere is water. Water exists in all the three forms i.e., solid (snow..

. The main salivary glands are present outside the mouth. They are parotid, the largest (found beneath the earlobe), submandibular (below each side of the lower jaw) and submaxillary(below the tongue). All of them pour their secretions into the mouth through ducts. Human beings,..

Acid rain is harmful to humans and can harm plant and animal populations on land and in water. It also causes material dama..