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Respiration Test Yourself 3 Answers

Match the Equation

Draw one line from each type of respiration to the correct equation.

aerobic respiration glucose lactic acid (+ energy)

anaerobic respiration glucose ethanol + carbon dioxide (+ energy)

fermentation glucose + oxygen carbon dioxide +water (+ energy)

True or False? True False

Anaerobic respiration happens when there is a shortage of oxygen.

Aerobic respiration leads to a build-up of lactic acid in the muscles.

A build-up of lactic acid can lead to cramp.

Anaerobic respiration releases more energy than aerobic respiration.

During exercise, your breathing rate increases to get more


oxygen into the body.

Explain

People often confuse respiration with breathing. Write a paragraph to clearly explain the difference
between respiration and breathing.

Respiration is a chemical reaction that releases energy. Aerobic respiration occurs in


the mitochondria of cells. Cells require a supply of oxygen for aerobic respiration. In
mammals, oxygen is obtained by breathing. Breathing is the process of taking air into
and releasing it from the lungs. Oxygen from the air diffuses from the lungs to the red
blood cells, which transport it to the rest of the body.

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