Health Vocabulary Chapter 25
Terms
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- everything that makes up your surroundings—air, water, soil, rocks, plants, animals, and microorganisms
- Environment
- the cycling of materials that helps to keep conditions relatively constant in the environment
- Homeostasis
- substances that cause pollution
- Pollutants
- wastes that can be broken down by microorganisms
- Biodegradable Wastes
- the use over and over again of materials such as metal and glass
- Recycling
- the primary waste given off during burning; nonpoisonous
- Carbon Dioxide
- a colorless, odorless, poisonous waste/gas that is produced when most substances are burned
- Carbon Monoxide
- the substance in your red blood cells that carries oxygen to the cells of your body
- Hemoglobin
- when sulfuric gas mixes with water in the air
- Sulfuric Acid
- when nitric gas mixes with water in the air
- Nitric Acid
- rain that contains either sulfuric or nitric acid or both
- Acid Raid
- substances made of hydrogen and carbon
- Hydrocarbons
- formed when hydrocarbons react with nitric oxide in the presence of sunlight
- Smog
- form of oxygen that chemically reacts with many things
- Ozone
- chemicals containing chlorine, fluorine, and carbon
- Chlorofluorocarbons
- a region of the atmosphere with a high concentration of ozone
- Ozone Layer
- the tiny hair-like structures that line your breathing passages and trap particles before they reach your lungs
- Cilia
- mineral that occurs in the form of fibers
- Asbestos
- when asbestos fibers are inhaled into the lungs and damage those cells
- Asbestosis
- the condition that occurs when a layer of cool air near the ground is trapped under a layer of warm air
- Temperature Inversion
- the waste material carried from toilets and drains
- Sewage
- the water that drains from land into streams
- Runoff
- chemicals that kill crop pests
- Pesticides
- chemicals that kill weeds
- Herbicides
- chemicals that contain minerals needed by plants
- Fertilizers
- small water plants
- Algae
- the process of excessive algae growth followed by decay and lack of oxygen
- Eutrophication
- an area where trash, garbage, and other wastes are deposited and covered with soil
- Landfill
- flammable, explosive, corrosive, or toxic to human/other life
- Hazardous Wastes
- cancer- causing agents
- Carcinogens
- chemicals that cause changes in a cell’s hereditary material
- Mutagens
- a form of energy that damages living things
- High Energy Radiation
- substances that give of radiation
- Radioactive
- loud sound that is a nuisance that can harm your health
- Noise
- natural sources of radiation
- Background Radiation
- exposure to large doses of radiation
- Radiation Sickness
- radioactivity that falls to the ground
- Fallout
- units that measure loudness of sound
- Decibels
- radioactive gas that is estimated to cause 5,000-20,000 deaths annually
- Radon