BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
They are chemical hazardsthat can be found indoors.
|
|
|
They are highly dangerouscarcinogens
|
|
|
Exposure to them cannot beprevented.
|
|
|
They are unnatural and madeonly by humans.
|
Detailed explanation-1: -VOCs that frequently pollute indoor air include toluene, styrene, xylenes, and trichloroethylene. Some of these chemicals may be emitted from aerosol products, dry-cleaned clothing, paints, varnishes, glues, art supplies, cleaners, spot removers, floor waxes, polishes, and air fresheners.
Detailed explanation-2: -Pollution and waste may harm our health and the environment. Businesses need to manage the risks of harm their hazards may cause. Common hazards in businesses can include chemical spills, dust, offensive odours, as well as unwanted noise and vibration. It’s important to know your hazards and the harm they can cause.
Detailed explanation-3: -EXAMPLES OF ENVIRONMENTAL HAZARDS INCLUDE: Air contaminants. Toxic waste. Radiation. Disease-causing microorganisms and plants.
Detailed explanation-4: -Biological agents are bacteria, viruses, parasites and fungi which can cause harm to human health, usually due to infection, although some are toxic or can cause an allergy. The biological agent can enter the body via: Skin contact.