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11 terms

Heart

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Plasma
Liquid part of blood
RBC
Blood cells that carry oxygen from lungs to the body, contain 30 mil. Hemoglobin
WBC
Blood cells that fight infections
Platelets
Cause blood to clot to prevent blood loss
Hemoglobin
Molecule that carries oxygen using iron to bind it
4
Number of heart chambers in human
Right atrium
Gathers blood from the body, poor in oxygen, pumps into right ventricle
Left atrium
Strongest chamber in heart with thick muscular walls, pumps blood to the body & left ventricle
Artery
Carry high pressure blood awa ly from the heart
Vein
Carry blood towards the heart, contain valves to preven backup
Capilaries
Not bigger than the cells to keep high pressure, connect arteries to veins