Scientific Method
What is the dependant varible?
It depends on the independent variable and you measure it.
What is the point of the respiratory system?
To breathe in oxygen and breathe out carbon dioxide.
What organ dissolves food?
The stomach/
Is the heart shaped like a heart?
no
Which system delivers nutrients to the cells?
The circulatory system.
What is an independent variable?
You change it and there is only one.
What do the alveoli do?
Where does the body get most of its nutrients?
The digestive system.
What does the Circulatory System do?
It brings nutrient-rich blood to the cells and brings the blood back. It cycles blood.
What is the control variable?
It is controlled by you, it does not change, and there is usually more than one.
What words does a hypothesis need?
If, then, because
What is another name for the trachea?
Windpipe
What does saliva do?
It dissolves your food a bit.
How many major arteries do we have?
Two
Which variable goes on which axis?
The independent variable goes on the X-axis and the dependent variable goes on the Y-axis
What is the order of the scientific method?
Question, Background, Hypothesis, Procedure, Data Collection, Graph, and Conclusion
Where does oxygen go after it is in the lungs?
Into the blood.
Are the teeth a part of the digestive system?
no
Do veins or arteries bring nutrient-rich blood to the cells?
Arteries
Why do the systems work together?
To perform cellular respiration.
What does a conculsion need?
Purpose restated, major finding stated, revisits the hypothesis,suggests improvements to the lab procedure, and suggest extensions to the lab.
What are the organs in the respiratory system?
Trachea, lungs, bronchus,bronchioles, and alvelio.
What are The organs in the Digestive System?
Esophagus, stomach, and intestines.
What are the organs of the circulatory system?
Heart, veins, and arteries.
What are the three types of graphs?
Pie, bar, line