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Life Science 5.1.1 - 5.1.2

Across
These cells help the blood to clot
Blood vessel that takes blood toward the heart
This system acts like a grocery truck in a city
The "bad" type of cholesterol
Circuit that goes between the heart and lungs
Keeps the blood going one direction
A group of similar cells working together
Smallest blood vessels
This system acts like the traffic lights in a city
Blood vessel that takes blood away from the heart
Cancer of the white blood cells
Major artery that leaves the heart
Down
The "good" type of cholesterol
Helps remove toxins from the blood
This carries oxygen
This system carries messages
Fluid portion of blood
One of the upper chambers of the heart
Circuit that goes between the heart and the body
This system acts like a garbage truck in a city
In Greek it means heart
This divides the heart into right and left halves
This happens when there isn't enough hemoglobin
These blood cells help fight infections
A group of tissues working together