The windpipe is also called

They are two sacks protected by the ribs.

Inside the lungs there are lots of little sacks called.......

Here, oxygen passes into the blood and carbon dioxide leaves the blood.

When we ................... carbon dioxide leaves our body.

The only externally visible part of the respiratory system

Which part of the Respiratory System plays a major role in speech?

Which is not a job of the respiratory system?

Tiny hairs that move particles in the nose are called

A small flap of tissue that covers the trachea is called the

Approximately how many times a day does a person breathe?

The windpipe branches out into 2 tubes called

How many lobes does the right lung contain?

What are the sacs called that exchange carbon dioxide for oxygen in your blood?