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- 1. Multiple Choice
Which part of the heart is this?AortaPumonary VeinPulmonary ArteryLeft Atrium - 2. Multiple ChoiceWhich part of the heart is this?AortaRight VentricleLeft AtriumLeft Ventricle
- 3. Multiple ChoiceWhich part of the heart is this?Pulmonary VeinPulmonary ArteryRight AtriumTricuspid Valve
- 4. Multiple Choice
These vessels carry blood away from the heart.
arteries
veins
capillaries
superior vena cava
- 5. Multiple Choice
The exchange of oxygen and carbon dioxide takes place in these vessels.
arteries
veins
inferior vena cava
lung capillaries
- 6. Multiple Choice
Brings blood to the heart from the upper portion of the body.
pulmonary artery
superior vena cava
pulmonary vein
inferior vena cava
- 7. Multiple Choice
Thickest walled chamber of the heart.
left atrium
right ventricle
left ventricle
right atrium
- 8. Multiple Choice
These vessels carry blood to each lung from the right ventricle.
superior vena cava
pulmonary arteries
pulmonary veins
aorta
- 9. Multiple Choice
Blood in the right atrium:
Oxygenated
Deoxygenated
- 10. Multiple Choice
Blood in the left ventricle:
Oxygenated
Deoxygenated
- 11. Multiple Choice
Blood in the pulmonary artery:
Oxygenated
Deoxygenated
- 12. Multiple Choice
Blood in the pulmonary veins:
Oxygenated
Deoxygenated
- 13. Multiple Choice
What is the clear, yellowish liquid portion of the blood?
Plasma
Veins
Platelets
Capillaries
- 14. Multiple Choice
How many chambers does the heart have?
4
3
2
1
- 15. Multiple Choice
What is responsible for clotting the blood when a person gets cut?
Capillaries
Platelets
Plasma
Vena cava
- 16. Multiple Choice
What is the main function of valves in the circulatory system?
To pump blood throughout the body
To prevent blood from moving in the wrong direction
To prevent platelets from clotting the blood
To keep the body stable
- 17. Multiple Choice
What makes up around 55% of the blood?
Plasma
Red Blood Cells
White Blood Cells
Platelets
- 18. Multiple Choice
What carries oxygen around the body?
Plasma
Red Blood Cells
Platelets
White Blood Cells
- 19. Multiple Choice
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.
- 20. Multiple Choice
What is the function (job) of the plasma?
To release antibodies to fight infections.
To transport oxygen around the body.
To carry dissolved nutrients and sugars.
To transport oxygen around the body.
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