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- 1. Multiple Choice
Red blood cells are made in the?
heart
bone marrow
kidneys
brain
- 2. Multiple Choice
Which of the chambers has the highest pressure?
Right verticle
Left atrium
Left verticle
- 3. Multiple Choice
Which blood vessel carries the deoxygenated blood to the right atrium?
Vena cava
Pulmonary vein
Pulmonary artery
All of them
- 4. Multiple Choice
Which blood vessels carries oxygenated blood from the heart to the whole body?
Vena cava
Aorta
Pulmonary vein
- 5. Multiple Choice
What happen when the ventricles of the heart contract?
The semilunar valve close
The semilunar valve open
The atrioventricular valve open
- 6. Multiple Choice
Which valve action results from an increase in pressure in the atrial of the heart?
The opening of the semilunar valve
The closing of the atrioventricular valve
The opening of the atrioventricular valve
- 7. Multiple Choice
Where does the sino-atrial node, which generates the electrical impulses that coordinate heart-muscle contracted is located in?
Left atrium
Right atrium
Septum
- 8. Multiple Choice
Right atrium and ventricle are separated from the left atrium and ventricle by______________
AV node
SA node
Septum
- 9. Multiple Choice
Where do aorta pump oxygenated blood?
Lungs
Whole body
Brain
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