The lungs and breathing
This is the name for the main muscle used for breathing that contracts to pull air into the lungs.
what is the diaphragm?
These cells, also known as erythrocytes, transport oxygen in the blood.
What are red blood cells?
This is the term for a substance that dissolves into a liquid.
What is a solute?
This is the variable that you change in an experiment.
What is the independent variable?
This is the name of the test used to separate the pigments in ink.
What is paper chromatography?
These tiny air sacs are the site of gas exchange.
What are the alveoli?
This is the liquid component of blood that transports cells, nutrients, and waste.
What is plasma?
The term for a solution that has dissolved the maximum amount of solute.
What is a saturated solution?
This is the variable that you measure in an experiment.
What is the dependent variable?
This is the term for the solvent that moves up the paper in a chromatography experiment.
What is the mobile phase?
This process is the full word equation for why heart and breathing rates increase during exercise.
What is Glucose + Oxygen → Carbon Dioxide + Water + Energy?
This is a key adaptation of red blood cells that gives them more space for hemoglobin.
What is having no nucleus?
This is the term for the liquid that does the dissolving.
What is a solvent?
These are the variables that must stay the same throughout an experiment to make it fair.
What are controlled variables?
In paper chromatography, this is the name for the paper itself.
What is the stationary phase?
This is the process that explains why a person's heart and breathing rates increase during exercise.
What is cellular respiration?
The purpose of these blood cells is to protect the body against infections and foreign invaders.
What are white blood cells?
Name two methods for increasing the speed of diffusion
Stirring/increasing temprature
In the experiment testing how the amount of fertilizer affects a bean plant, this is the dependent variable.
What is the growth of the bean plant?
If a student finds three different colored spots on their chromatography paper, this is what the black ink they used is.
What is a mixture?
These two muscles move your lungs, and this is what they do when you breathe in.
What are the diaphragm and intercostal muscles, and they contract?
These two types of blood vessels carry blood away from and toward the heart, respectively.
What are arteries and veins?
A solution made from salt and water is described by this term.
What is an unsaturated solution?
To test if surface area affects dissolving rate, you must keep these three things constant.
What are the amount of water, the temperature, and the amount of stirring?
This is the name for the solvent's highest point on the paper after the chromatography test is complete.
What is the solvent front?