Lung Parts
How We Breathe
Oxygen In, Carbon
Dioxide Out
Respiratory
Facts
100

What are the TWO main organs of the respiratory system.

The Lungs

100

This muscle moves down when you inhale and up when you exhale

The Diaphragm

100

The gas we need to survive, found in the air we breathe

Oxygen

100

The process of taking air into the lungs

Inhalation

100

The number of lungs in the human body

Two

200

What are the tiny air sacs in the lungs where oxygen and carbon dioxide are swapped

The Alveoli

200

The process of taking air into the lungs and releasing it.

Respiration

200

The gas we exhale after our body uses oxygen

Carbon Dioxide

200

The structure that connects the nose and mouth to the larynx

Pharynx

200

The gas that makes up most of the air we breathe

Nitrogen

300

What is the tube that carries air from your throat to your lungs

 The Trachea

300

Your body breathes faster when you do this activity

Exercise

300

During an asthma attack, this gas gets trapped in the lungs, making it hard to breath.

Carbon dioxide

300

The number of lobes in the right lung

Three

300

The lung that is smaller to make room for the heart

Left lungs

400

What is the muscle under your lungs that helps you breathe in and out.

The Diaphragm

400

These tiny hairs in your airways help trap dust and germs

Cilia

400

The body part that helps carry oxygen from the lungs to the rest of the body

Blood

400

The term for normal, quiet breathing.

Eupnea

400

The average number of breaths an adult takes per minute

12-20 breaths

500

What are the the large airway that split into two tubes leading to each lung.

The Bronchi

500

The brain sends signals to this part of the body to control breathing

The lungs

500

The name of the process where oxygen moves from the lungs to the blood

Diffusion

500

Whats the process that moves oxygen into the blood

Gas exchange

500

The color of blood appears when it lacks oxygen.

Dark red or bluish