Unit 2 Summary

Front

What is the relationship between variables called when the variables are doing the same thing?

Back

Direct

Front

What is a real-world adaptation similar to the villi in the small intestine?

Back

Fennec foxes have large ears to help with heat diffusion.

Front

What type of relationship is shown by a graph where one variable increases as the other decreases?

Back

Inverse/Indirect

Front

What is the respiratory system?

Back

The respiratory system is responsible for the exchange of gases (oxygen and CO2) between the body and the environment.

Front

What do capillaries do?

Back

Allow materials such as oxygen and nutrients to diffuse in and out of cells.

Front

What is an example of a direct relationship?

Back

As the temperature increases, the amount of ice that melts also increases.

Front

What is an example of an inverse relationship?

Back

As the speed of a car increases, the time taken to reach a destination decreases.

Front

What is the function of the small intestine?

Back

The small intestine is responsible for the digestion and absorption of nutrients.

Front

What role do arteries play in the circulatory system?

Back

Arteries transport oxygenated blood away from the heart to the body.

Front

What is diffusion?

Back

Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration.