Respiratory System

Front

What is one function that the respiratory system does NOT perform?

Back

Transport glucose.

Front

What happens to the volume of the rib cage when the diaphragm contracts?

Back

The volume of the rib cage increases.

Front

What happens to the pressure in the thoracic cavity when the diaphragm contracts?

Back

The pressure decreases.

Front

What is the process called when air is drawn into the lungs?

Back

Inhalation.

Front

What is another name for the throat?

Back

Pharynx.

Front

What are the microscopic sacs where gas exchange takes place called?

Back

Alveoli.

Front

What are the tiny air sacs at the end of the bronchioles that transfer oxygen into the bloodstream?

Back

Alveoli.

Front

What is the primary function of the alveoli in the respiratory system?

Back

To facilitate gas exchange between air and blood.

Front

What role does the diaphragm play in respiration?

Back

It contracts to increase the volume of the thoracic cavity, allowing inhalation.

Front

What is the significance of the pressure changes in the thoracic cavity during breathing?

Back

Pressure changes drive the movement of air in and out of the lungs.