Scientific Method
Blood
Heart and CV system
Epidemiology
Variables
100
How many steps in the scientific method?
6
100
Blood is important, since it transports ________ and _________.
Nutrients and oxygen.
100
The three components of the cardiovascular system.
Blood, heart, blood vessels.
100
The microbe that causes the disease.
Agent
100
Anything that has the ability to change in an experiment.
Variable.
200
The step where we assess the data.
Analyze results
200
Transport oxygen throughout the body, to cells that need it.
Red blood cells
200
The heart consists of two ____________.
Pumps
200
The organism that gets the disease.
Host
200
The variable the scientists change during the experiment.
Independent variable
300
The step where we put into words what we learned from the whole experiment.
Conclusion
300
makes up 50 percent of blood.
Plasma
300
Regulates blood flow from atrium to ventricle.
Valve
300
The infrastructure and cultural practices that influence the spread of the disease.
Environment
300
The variable that is held constant during the experiment.
Control variable.
400
An educated guess about what will happen during the experiment.
Hypothesis
400
Kill off bacteria in the blood.
White blood cells
400
Receives oxygenated blood from the lungs.
Left atrium
400
John Snow studied the infectious pattern of this disease in London.
Cholera
400
The variable influenced by the independent variable.
Dependent variable
500
The steps of the scientific method in order.
Observation, Question, Hypothesis, Test with an experiment, analyze data, conclusion.
500
Come together to stop bleeding
Platelets
500
This compartment pumps blood to the lungs.
Right ventricle
500
Name four of the five countries involved in the 2014 Ebola Epidemic.
Liberia, Nigeria, Sierra Leone, Guinea, Senegal
500
This is how many variables you can manipulate in a controlled experiment.
One
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