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This test is run by .
Note that your final mark will not be saved in the system.

C3–C4 Lung Volumes and Control of Breathing Reorder

Target Level

Pass

Running Total

Attempt

1 of 3

Drag and drop the boxes into the correct order.

Reorder the steps in chronological order to demonstrate the role of neural and chemical factors in breathing during exercise.

an increase in muscle activity, joint movement and skin temperature.
Breathing rate then increases.
Both of these chemical and neural factors act by sending messages to the respiratory control centre in the brain, known as the medulla oblongata
an increase in carbon dioxide production and a decrease in blood pH.
Chemical factors are detected by chemoreceptors during exercise, such as
This responds by transmitting nerve impulses to the respiratory system.
Likewise, sensory receptors detect changes in neural factors, such as

This is your 1^st attempt! The marking algorithm gives more marks for getting the right order first time.

Pass Mark

70%