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OXYGEN AND CARBON
DIOXIDE - Note: This exchange takes place in the Alveoli in the
lungs.
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DIAPHRAGM - The
Diaphragm is a skeletal muscle that acts like an involuntary muscle.
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ADULT:
12-20 Times per minute
CHILD: 15-30 Times per minute
INFANT: 25-50 Times per minute
Note: The EMT-B should
also Observe the rhythm, quality and depth of breathing.
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RIGHT ATRIUM -
Receives oxygen poor blood from the veins of the body.
LEFT ATRIUM - Receives oxygen rich blood from the lungs via the
pulmonary veins.
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RIGHT VENTRICLE -
Pumps oxygen poor blood to the lungs.
LEFT VENTRICLE - Pumps oxygen rich blood to the body.
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ARTERIES- Note: The
aorta is the major artery of the body and originates from the heart.
Coronary arteries supply the heart muscle with blood.
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VEINS - Note: Major
veins include the SUPERIOR VENA CAVA and INFERIOR VENA CAVA which
carry blood from the body to the right atrium. The PULMONARY VEIN
carries blood from the lungs to the left atrium.
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CAPILLARIES - Note:
The release of oxygen and nutrients to the cells, and the removal of
carbon dioxide and wastes from the cells, takes place through the
capillaries.
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