Heart Parts
Heartbeat
Blood Vessels
Blood
Cleaning Your Blood (Kidneys)
100

What is the main organ of the circulatory system?

What is the heart?

100

What is the term for the number of times the heart beats in one minute?

What is heart rate?

100

 What are the blood vessels that carry blood away from the heart?

What are arteries? 

100

What is the main component of blood that carries oxygen?

What are red blood cells?

100

What is the main job of the kidneys?

What is to filter waste from the blood?

200

Name the chamber of the heart that receives oxygen-rich blood from the lungs.


What is the left atrium?

200

What is the sound of the heartbeat?

What is "Lubb-Dubb"?
200

What type of blood vessel carries blood back to the heart?

What are veins?

200

What part of the blood helps fight infections?

What are white blood cells?

200

How many kidneys does a healthy person usually have?

What is 2?

300

What is the name of the valve that prevents blood from flowing back into the left ventricle?

What is the aortic valve?

300

What is the part of the heart that sends electrical signals to control the heartbeat?

What is a pacemaker? 

300

What are the tiny vessels where oxygen and nutrients are exchanged?

What are capillaries?

300

What is the liquid part of blood called?

What is plasma?

300

What is the name of the tiny units in the kidneys that filter blood?

What are nephrons?

400

How many chambers does the human heart have?

What is four?

400

What can increase your heart rate?

What is exercise, stress, or illness?  

400

What is the main job of the superior and inferior vena cava?

What is to prevent blood from flowing backwards in the body/heart?

400

What is the function of platelets in the blood?

What is clotting? 

400

What happens to waste that is filtered out of the blood?

What is it becomes urine?

500

What part of the heart pumps oxygen-poor blood to the lungs?

What is the right ventricle?

500

What is the average resting heart rate for adults?

What is 60-100 beats per minute?
500

 What is the main job of the aorta?

What is providing the blood with new / oxygenated blood?

500

What are the four blood types?

What is a,b,ab,and o?

500

What can happen if the kidneys do not function properly?

What is kidney failure?

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