RESPIRATORY SYSTEM Y3

The Respiratory System is resposible for:

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______ enters our blood through the respiratory system when we breathe in.

Tags

NGSS.MS-LS1-3

_____ _______ we don't need leaves our body when we breathe out.

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-5

We breathe ​in (a)   and breathe out ​ (b)   ​

• oxygen
• carbon dioxide
• pollution
• smoke
• blood

The Respiratory System is made up of:

• the heart, the blood and the blood vessels

• the bones, muscles and joints

• the nostrils, the trachea, the bronchi and the lungs

• the brain, the spinal chord and the lungs

The nose has two holes called ​ (a)  

• nostrils
• lungs
• heart
• trachea

Tags

NGSS.4-LS1-2

The ​ (a)   is a tube that divides into two smaller tubes called ​ (b)   .

• trachea
• bronchi
• lungs
• nostrils
• nerves
• veins

The air goes down the bronchi into the two (a)   .

• lungs
• trachea
• bronchi
• heart
• veins
• nerves

Tags

NGSS.MS-LS1-3

​ The ​ (a)   are two sacks that are protect by our ribs

• lungs
• bronchi
• bones
• nerves
• nostrils

Match the part of the respiratory system with its name

• trachea

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• lungs

• 
• nostrils

• 
• bronchi

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