Respiratory system and digestive system

........ is the process of taking in air into our body and giving it out again.

• Breathing

• Respiration

• Respiratory

• Inhaled

........ our nostrils removes dust from the air we breathe in.

• The Nose

• The Trachea

• Windpipe

• The hair

The air then moves down ......

• Air tube

• Lung

• Windpipe

• Air sacs

Our windpipe branches to the left and right into two smaller ......

• Air sacs

• Nose

• Trachea

• Air tubes

Each of these air tubes leads to one of ......

• Respiratory

• Lungs

• Nose

• Air sacs

When the air we breathe in reaches ....... , oxygen passed through it into our blood.

• bronchus

• Air tube

• Lungs

• Windpipe

Our blood then carries the .......... to all parts of our body.

• Carbon dioxide

• Water

• Air

• Oxygen

Tags

NGSS.MS-LS1-7

.......... is removed from our body when we breathe out.

• Oxygen

• Dust

• Carbon dioxide

• Air

When we .......... , our rib cage moves outward and upwards.

• Breathe in

• Breathe out

• Respiration

• Breathe in and out

The air we Breathe in is called .......

• Breathe out

• Expired

• Inhaled

• Exhaled