Unit 1: Marathon Runner Exam Review

Front

What is cellular respiration?

Back

The process that releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.

Front

Where does cellular respiration take place in the cell?

Back

In the mitochondria.

Front

What is homeostasis?

Back

The maintenance of a constant internal environment.

Front

What are villi?

Back

Structures found on the lining of the small intestine that increase surface area for absorption.

Front

What causes muscle fatigue?

Back

The build-up of waste products such as lactic acid.

Front

What is ATP?

Back

Adenosine triphosphate, the energy currency of the cell.

Front

What is the role of mitochondria?

Back

Mitochondria are the organelles where cellular respiration occurs, producing ATP.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen, while anaerobic respiration does not.

Front

What is lactic acid?

Back

A byproduct of anaerobic respiration that can cause muscle fatigue.

Front

What is the function of cilia?

Back

Cilia are hair-like structures that help move substances across the surface of cells.