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Parts of the blood stream
The parts of the heart
Oxygen in circulatory system
100
Carries blood away from heart.
What is an artery
100
Blood first enters this area of the heart.
What is the right atrium?
100
21% of this is in air
What is oxygen?
200
Carries blood to the heart.
What is a vein?
200
These carry blood to the lungs.
What are pulmonary arteries.
200
Tiny air filled sacs.
What are alveoli?
300
Connects veins and arteries.
What is a capillary?
300
Carries blood from the lungs to the heart.
What are pulmonary veins?
300
One of these cells can carry 1 billion oxygen molecules.
What Are red blood cells?
400
These stop blood from flowing the wrong way.
What is a valve?
400
The outer most layer of the heart.
What is partial
400
we are composed of trillions of these.
What are cells?
500
The main artery coming from the heart
What is the aorta?
500
Place where the blood leaves the heart.
What is the left ventricle?
500
97%of oxygen attaches to this
What is hemoglobin?