Respiratory System

What are these?

• Stomach
• Esophagus
• Lungs
• Mouth

The nose has two holes called ____ where the air enters our body

• Trachea

• Nostrils

• Bronchi

The respiratory system takes in oxygen and gives out _____

• Carbon dioxide

• More oxygen

• Air and nutrients

The respiratory system is made up of ___

• The heart, blood, trachea and bronchi

• The brain, muscles and lungs

• The nostrils, trachea, bronchi and lungs

The trachea is a tube that divides into two smaller tubes called _____

• Bronchi

• Nostrils

• Lungs

The ____ are two sacks that are protected by our ribs

• Lungs

• Trachea

• Octopuses

We breathe in carbon dioxide and breathe out oxygen

• True

• False

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

When we breath in the diaphragm...

• Contracts

• Relaxes

When we breathe out the diaphragm...

• Contracts

• Relaxes