Respiratory System

Front

Air sacs in the lungs, surrounded by capillaries where the exchange of oxygen and carbon dioxide takes place.

Back

Alveoli

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Front

Inhaling oxygen and exhaling carbon dioxide

Back

Breathing

Front

Two tubes that branch off from the trachea, one leading to each lung.

Back

Bronchi

Front

Smaller passageways coming off of the bronchi leading to the alveoli.

Back

Bronchioles

Front

Waste gas produced by cells and exhaled through the lungs.

Back

Carbon Dioxide

Tags

NGSS.MS-LS2-3

Front

A dome shaped muscle that contracts and relaxes to allow inhaling and exhaling

Back

Diaphragm

Front

The voice box. Contains the vocal cords.

Back

Larynx

Front

Main organs of the respiratory system that bring in oxygen and excrete carbon dioxide

Back

Lungs

Front

Main opening for the respiratory system, allows oxygen that enters the body to be filtered before reaching the lungs.

Back

Nose

Front

The gas brought into the lungs for the body's use.

Back

Oxygen