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STEM Human Body Sys.

infected To affect or contaminate (a person, organ, wound, etc.) with disease-producing germs.
germs Tiny organisms that can cause diseases.
communicable disease A disease that can be spread from one person or species to another.
bacteria A single-celled organism with no nucleus.
virus A tiny, nonliving particle that invades and then reproduces inside a living cell.
simulation A model of a real system or phenomenon.
model A representation of an object or event.
noncommunicable A disease that is not transmitted from one host to another.
vaccine Made from a weakened or altered virus to elicit an immune response. Substance that protects a person from a disease.
homeostasis The maintenance of an constant internal balance in an organism's body.
metabolism The combination of all the chemical reactions that occur inside an organism.
enzyme A substance that causes a chemical change in another substance.
fungi Eukaryotes that have cell walls, reproduce by spores and get food by absorbing it from their surroundings.
spore In bacteria, a dormant structure that allows the bacterial cell to survive unfavorable conditions. In fungi, it is a cell that develops into a new organism.
disinfectant A substance that can kill microorganisms.
dormant An inactive living thing that will become active when conditions are favorable.
infection The growth of germs in your body.
parasites Organisms that live and feed either inside of or attached to another organism and does harm to that organism.
sanitation The disposal of sewage and waste.
hygiene Things people do to stay healthy.
dehydration (medical) A condition in which the body does not have enough fluid to function.
stool The solid waste that is produced by the body during egestion.
antibiotics A type of medicine that kills bacterial infections and prevents them from growing.
eradicated erased; destroyed
vaccination The process by which a substance that protects a person from a disease is given.
immunization a medical treatment that helps protect you from disease.
case study An observation of a person or group to use as a model.
pasteurized To heat food to a temperature that is high enough to kill most harmful bacteria.
sputum Matter that is coughed up and mixed with saliva.
Lyme Disease A disease caused by a bacteria carried by ticks.
Escherichia coli A bacteria that is the common cause of foodborne illness.
Mononucleosis The "kissing disease" caused by the Epstein-Barr virus.
smallpox Serious, contagious, an often fatal infectious disease caused by the variola virus.
mucus Sticky, wet material in your nose and other organs.
Respiratory system Body system consisting of the lungs and air passages; enables breathing, supplying the body with oxygen and eliminating carbon dioxide wastes.
black lung disease Lung disease caused by inhaling coal dust common among miners.
lung cancer Cells within our lungs divide uncontrollably and form a tumor.
lungs Pair of spongy organs of respiration in which blood is aerated.
diaphragm Muscle underneath the lungs that controls the movement and air entering and exiting the lungs.
oxygen A gas that is brought into the body by the respiratory system.
blood Composed of cells (red and white) suspended in a liquid matrix called plasma.
carbon dioxide A gas that is expelled from the body by the respiratory system.
heart A hollow, muscular organ that pumps blood throughout the body.
blood vessels Tube like structures that carry blood throughout the body.
diffusion Movement of oxygen and carbon dioxide between alveoli and red blood cells. (movement of particles)
passive transport Same as diffusion...movement of particles WITHOUT ENERGY.
hemoglobin A protein in red blood cells that carries oxygen.
bloodstream The blood flowing through the circulatory system.
fatigue Extreme tiredness, exhaustion.
nausea A feeling of discomfort that sometimes precedes vomiting.
acidic A solution whose pH is less than 7.
proteins Molecules composed of amino acids.
homeo- Prefix meaning "similar."
-stasis "to stand or to stay"
blood pressure Force exerted by blood in the arteries.
artery A blood vessel that carries blood away from the heart.
stethoscope A medical instrument for listening to the sounds generated inside the body.
systolic pressure The pressure at which the blood starts to move through the artery (tapping) again when air is released from the pressure cuff.
diastolic pressure The pressure at which the tapping has stopped when all the air has been released out of the pressure cuff.
hypertension Abnormally high blood pressure.
LDL cholesterol Low density lipoprotein or "bad cholesterol."
cholesterol Soft, waxy material that is found in all the cells or your body.
lipoprotein Molecules on which cholesterol is carried.
vein A blood vessel that carries blood back to the heart.
Created by: jhshwood