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Respiratory/circulatory

Across
a structure that carries blood throughout the body
How many times your heart beats per minute
What lets your lungs expand and contract
Any branching blood vessels
Where blood first passes through
Any muscular walled tube
A system that has you breath
A educated guess is to what will happen next
Made mostly of red blood cells
Cells that fight diseases
What lets the blood carry on from the atrium to the ventricle
A wind pipe
Major part of respiratory system
Down
Heals their cuts
What makes up your blood
Pumps blood
The system that lets blood flow correctly
Things that could damage the body
Lower section of the heart which escorts the blood to the rest of the body
Air passages
Helps dry up the blood if there is a cut
What stay the same
Tubes that carry blood in and out if the heart