Chp 2 Flashcards
Atrium
Top chamber of heart
Septum
Wall of muscle that divides down the middle of heart
Ventricles
Bottom chambers of heart
Aorta/pulmonary artery
Carry blood away from heart
Deoxygenated
Blood that have higher concentration of carbon dioxide than oxygen
Oxygenated
Blood that has more oxygen then carbon dioxide
Vena cava
Returns blood to heart
Tunica intima
The innermost, smooth layer in direct contact with the blood
Tunica media
The middle, thickest layer, capable of contracting and relaxing
Tunica adventitia
The outer covering, which serves to protect and support the vessel
Antecubital fossa
Site of the three most preferred veins for venipuncture
Median cubital vein
Located in middle of arm
Cephalic vein
Site for venipuncture, the next best site, well anchored
Basilic vein
Easy to puncture, not well anchored
Erythrocytes
Originate in the bone marrow and are the most numerous of all the blood cells