What is the first step in the traditional scienctific method?
Identify a problem
100
What is the process of breaking down food?
Digestion
100
What is the main function of the respiratory system?
Absorb oxygen
100
How does air move though your respiratory system?
The heart valves closing
100
What is a fake medicine called?
Placebo
200
Why do scientists use their senses and tools such as rulers during an experiment?
Make observations
200
What is the path your food takes through your digestive system?
esophagus, stomach, small intestine, large intestine
200
What are the tiny air sacs located in your lungs called?
Alveoli
200
What is the purpose of the circulatory system?
Transports nutrients and oxygen throughout the body.
200
What is the purpose scientists use the scientific method?
To solve problems or answer questions
300
What is considered to be a poorly designed experiment?
An experiment with a small sample size.
300
What is the function of the digestive system?
Absorb nutrients
300
The windpipe branches into two tubes called?
Bronchi or bronchial tubes
300
What is the upper chambers and lower chambers of the heart called?
Upper are the atria
Lower are the ventricals
300
What causes damage to the liver?
Toxins that build up in the body.
400
1. What is it called when something in an experiment stays the same? (ex. the amount of water stays the same)
2. What is it called when something in an experiment changes. (ex. distance or time)
1. The control (does not change; stays the same throughout the experiment)
2. The variable (changes throughout the experiment)
400
What is it called when your teeth and stomach break down food?
Mechanical digestion
400
What are the main organs of the respiratory system?
Lungs
400
What prevents blood from flowing back into the heart (chambers)
The heart valves
400
1. T/F: After running for a little while, your heart rate will increases.
2. T/F: Your pulse is the number of times your heart beats per minute.
1. True
2. True
500
1. What is it called when using only numbers while conducting an experiment?
2. What is it called when using only characteristics or a description while conducting and experiment?
1. Quantitative data
2. Qualitative data
500
What is it called when your saliva and stomach acid break down food?
Chemical digestion
500
How does air move though your respiratory system?
nose or mouth, throat, windpipe, bronchi, lungs, alveoli
500
1. True or false: The arteries are blood vessels that carry blood AWAY from the heart?
2. True or false: The veins are blood vessels that carry blood to the heart?
3. True or false: The aorta is the largest artery in the body?
1. True
2. True
3. True
500
1. T/F: The human heart is a muscle and organ.
2. T/F: A healthy human heart beats 150-170 beats per minute.
3. T/F: In a clinical trial, the group that gets the medicine is called the "treatment group"?
1. True
2. False. What is the correct answer?
3. True