Respiratory System

NUMBER 1:

• lungs

• pharynx

• mouth

• alveoli

NUMBER 2:

• Pharynx

• Bronchi

• Alveoli

• Lungs

NUMBER 2:

• Pharynx

• Bronchi

• Alveoli

• Lungs

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose

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 ____ are two sacks that are protected by our ribs

• Lungs

• Trachea

• Octopuses

When we inhale, the air

• Goes inside the lungs

• Goes outside the lungs

When we exhale, the air...

• Goes out

• Goes inside the bones