Respiratory System

Front

Microscopic sacs where gas exchange takes place are 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

Which system shares the pharynx with the respiratory system?

Back

Digestive system

Front

What is labeled at E?

Back

Trachea

Front

A small flap of tissue that covers the trachea when swallowing is called the:

Back

Epiglottis

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange, providing oxygen to the blood and removing carbon dioxide.

Front

What is the pathway of air from the nose to the lungs?

Back

Nose -> Pharynx -> Larynx -> Trachea -> Bronchi -> Bronchioles -> Alveoli

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What is the difference between the trachea and bronchi?

Back

The trachea is the main airway that branches into the bronchi, which lead to each lung.

Front

What is the function of cilia in the respiratory system?

Back

Cilia help to trap and move particles out of the airways, protecting the lungs.