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- 1. Multiple Choice
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
- 2. Multiple Choice
The job of the heart is to . . .
pump blood around the body.
send food to the small intestines.
break down food.
give energy to the body.
- 3. Multiple Choice
The heart is about the size and shape of your . . .
head
fist
hand
foot
- 4. Multiple ChoiceThe circulatory system works with the ___________ system to provide our body with oxygen.respiratorydigestivemuscularskeletal
- 5. Multiple Choice
Arteries carry oxygen rich blood away from the heart.
True
False
- 6. Multiple Choice
Veins carry oxygen poor blood back to the heart.
False
True
- 7. Multiple Choice
Identify
Left atrium
Right atrium
Left ventricle
Right ventricle
- 8. Multiple Choice
Identify
Pulmonary veins
Pulmonary artery
Aorta
Vena cava
- 9. Multiple Choice
Identify
Left atrium
Right atrium
Left ventricle
Right ventricle
- 10. Multiple ChoiceThe heart has ___ chambers.1234
- 11. Multiple ChoiceThis chamber of the heart RECEIVES blood returning from the bodyRight AtriumRight VentricleLeft AtriumLeft Ventricle
- 12. Multiple ChoiceWhich chambers of the heart are the thickest and strongest?AtriaVentriclesValvesAorta
- 13. Multiple ChoiceWhat does Deoxygenated mean?Oxygen-richBlood flowOxygen-poorWater Flow
- 14. Multiple ChoiceA flap of tissue that prevents blood from flowing backwardAortaAtriumSeptumValve
- 15. Multiple ChoiceCompared to arteries, veinshave a pleated endothelium.
have thinner walls.
have more smooth muscle in their tunica media.hold their shape better when cut. - 16. Multiple Choice
Carry blood away from heart; mostly oxygen-rich
Arteries
Veins
Capillaries
- 17. Multiple ChoiceWhat is pulmonary circulation?Blood travelling to and from the lungsBlood travelling to and from the bodyA blood clot in the lungsThe vessel that brings blood to the lungs
- 18. Multiple ChoiceBlood circulation from the heart to the rest of the body is calledFull bodySystemicpulmonaryheart to lung
- 19. Multiple Choice
Which is NOT a function of the circulatory system?
deliver O2 and nutrients to cells
remove CO2 and wastes from cells
break down carbohydrates into glucose
transport other materials through body
- 20. Multiple Choice
The cells in the blood that help fight germs and illnesses are the...
red blood cells
platelets
white blood cells
axons
- 21. Multiple Choice
Which best describes the relationship between the muscular system and the circulatory system?
The circulatory system captures carbon dioxide from the air for muscle energy.
The circulatory system produces red blood cells to bring oxygen to the muscles
The circulatory system provides a framework for muscle movement
The circulatory system delivers oxygen for muscle energy
- 22. Multiple ChoiceThe liquid part of blood that makes up 55% of its composition?PlasmaPlateletsWhite blood cellsRed blood cells
- Answer choicesTagsAnswer choicesTags