Respiratory System

Front

What system works with the respiratory system to provide our body with oxygen?

Back

The circulatory system.

Front

What are the air sacs in the lungs where gas exchange takes place?

Back

Alveoli.

Front

What is the tube also known as the windpipe?

Back

Trachea.

Front

What are the tubes that branch from the trachea into the lungs?

Back

Bronchial tubes.

Front

What are the two main branches from the trachea, one to each lung?

Back

Bronchi.

Front

What muscle helps in the process of breathing by contracting and relaxing?

Back

Diaphragm.

Front

What is the process of taking in oxygen and expelling carbon dioxide called?

Back

Respiration.

Front

What is the flap of tissue that covers the trachea during swallowing?

Back

Epiglottis.

Front

What are the tiny blood vessels that surround the alveoli for gas exchange?

Back

Capillaries.

Front

What is the main organ of the respiratory system?

Back

Lungs.