heart/blood
breathing
Blood/oxygen
lungs
Systems working together
100

This body-part pumps blood. 

what is the heart?

100

what you are doing when you inhale and exhale. 

What is breathing?

100

This gas is carried to cells. 

What is oxygen?

100

The organs used for breathing.

What are lungs? 

100

The 2 systems we've been studying.

What are the circulatory and respiratory systems?

200

This is a blood vessel that carries blood out from the heart. 

What are arteries?

200

The muscle that controls breathing.

What is the diaphragm?

200

Exhaled oxegyn.

 What is carbon dioxide?

200

Air enters through this body part. 

What is the nose? 

200

Where oxygen moves from lungs to blood.

What are the alveoli? 

300

These cells carry oxegyn.

What are the red blood cells?

300

Another name for the windpipe. 

What is the trachea? 

300

This is a protein that carries oxygen in blood.

What is hemoglobin? 

300

Before reaching the lungs, air filters through here. 

What is the nasal cavity? 

300

The heart and lungs work together to do this. 

What is supplying energy? 

400

This cell helps fight infections and illness. 

What are white blood cells? 

400

These split off the trachea into the lungs. 

What are the bronchi? 

400

Oxygen travels in the blood to these tiny parts of the body.

What are cells? 

400

The diaphragm moves down for this to happen.

What is inhalation? 

400

Where blood returns to the heart.

What are veins? 

500

*DAILY DOUBLE*
This part of the heart pumps oxygenated blood.  

What is the left ventricle? 

500

Tiny sacs that swap oxegyn and carbon dioxide during breathing. 

What are alveoli? 

500

This system spreads oxygen throughout the body. 

What is the circulatory system? 

500

This happens when the diaphragm relaxes. 

What is exhalation?

500

This keeps blood moving the right way in veins. 

What are valves?