Heart Heroes
Highway of Blood
What's in Your Blood?
Road Trip Through the Body
Doctor, What's Wrong?
100

This chamber pumps oxygen-rich blood to the entire body.

What is Left ventricle?

100

These blood vessels carry blood away from the heart.

What are Arteries?

100

These cells carry oxygen using hemoglobin.

What are Red blood cells?

100

This type of circulation carries blood between the heart and lungs.

What is Pulmonary circulation?

100

This condition occurs when the heart beats faster than normal.

What is tachycardia?

200

This valve separates the left atrium from the left ventricle.

What is Mitral (bicuspid) valve?

200

These tiny vessels allow oxygen and nutrients to move into tissues.

What are Capillaries?

200

These blood cells help fight infections.

What are White blood cells?

200

This type of circulation carries oxygen-rich blood from the heart to the rest of the body.

What is Systemic circulation?

200

This medical term describes blood pressure that is consistently too high.

What is hypertension?

300

This blood vessel supplies oxygen and nutrients to the heart muscle.

What is Coronary artery?

300

These blood vessels contain valves to keep blood moving toward the heart.

What are Veins?

300

These tiny cell fragments help form blood clots.

What are Platelets (Thrombocytes)?

300

Blood returns from the lungs to the heart through these vessels.

What are Pulmonary veins?

300

A blockage of a coronary artery can cause this life-threatening event.

What is a heart attack (myocardial infarction)?

400

This natural pacemaker starts each heartbeat.

What is Sinoatrial (SA) node?

400

Which blood vessel carries oxygen-poor blood from the heart to the lungs?

Wwhat is Pulmonary artery?

400

This liquid makes up about 55% of blood.

What is Plasma?

400

If the pulmonary artery were blocked, which organ would receive too little blood first?

What are Lungs?

400

This blood vessel is commonly blocked during a heart attack.

What is a coronary artery?

500

A drop of blood leaves the left ventricle. Name the first blood vessel it enters.

What is Aorta?

500

Two major veins return deoxygenated blood to the right atrium?

What are superior vena cava and inferior vena cava?

500

Which blood type is known as the universal donor?

What is O negative (O−)?

500

A red blood cell leaves the right ventricle carrying very little oxygen. What is the last chamber it enters before it can deliver oxygen to the body's tissues?

What is Left ventricle?

500

This emergency occurs when blood flow to part of the brain is interrupted.

What is a stroke?