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- 1. Multiple Choice
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
- 2. Multiple ChoiceHow many types of blood vessels are in our body?1234
- 3. Multiple Choice
Arteries carry oxygen rich blood away from the heart.
True
False
- 4. Multiple Choice
Veins carry oxygen poor blood back to the heart.
False
True
- 5. 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.
- 6. Multiple Choice
How does the heart work?
It pumps blood first to the lungs, back to the heart and then around the rest of the body.
It pumps blood first to the rest of the body, back to the lungs and then to the heart.
It pumps blood around the rest of the body, back to the heart and then to the lungs,
- 7. Multiple Choice______________ are the smallest blood vessels.ArteriesVeinsCapillaries
- 8. Multiple ChoiceThe circulatory system works with the ___________ system to provide our body with oxygen.respiratorydigestivemuscularskeletal
- 9. Multiple ChoiceThe circulatory system works with the __________ system to obtain energy from nutrients that we eat.respiratorydigestiveskeletalnervous
- 10. Multiple ChoiceThe heart has ___ chambers.1234
- 11. Multiple ChoiceWhat does Deoxygenated mean?Oxygen-richBlood flowOxygen-poorWater Flow
- 12. Multiple ChoiceWhich is the correct definition of the Circulatory system?The system fights disease so the body stays healthy.The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.Breaks down food into smaller pieces and absorbs those nutrients into the body.Provides shape and structure for the body.
- 13. Multiple ChoiceWhat is the main function of the artery?It controls your brain and your thought process.They carry oxygen- poor blood BACK to the heart.Arteries carry oxygen- rich blood AWAY from the heart.It receives information (senses) and sends messages to the body about how to react to things.
- 14. Multiple ChoiceWhat does blood do?Carries Water to cellsCarries Oxygen to cellsCarries Food to cellsAll of the above
- 15. Multiple ChoiceWhat function does the heart do?Protects organs and produces red blood cells.Generates heat.Breaks down food into nutrients.The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.
- 16. Multiple Choicearteries, veins, and capillaries are three types of __________heart valvesblood vesselscellsveins
- 17. Multiple ChoiceWhich is NOT a function of the circulatory system?deliver O2 and nutrients to cellsremove CO2 and wastes from cellsbreak down carbohydrates into glucoseKeep the body safe from diseases
- 18. Multiple ChoiceA flap of tissue that prevents blood from flowing backwardAortaAtriumSeptumValve
- 19. Multiple ChoiceWhat do Red-Blood cells do?Carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungskeeps blood flowing in one direction to the heart and prevent blood from flowing backwardsCollects blood from the capillaries and drain it into the veinsBring nutriients to the cells and carries away waste materials.
- 20. Multiple Choice
Liquid part of blood, carries hormones, nutrients, wastes, antibodies
Plasma
Red blood cells
White blood cells
Platelets
- 21. Multiple Choice
Helps in blood clotting
Platelets
Plasma
Red blood cells
White blood cells
- 22. Multiple Choice
What is the oxygen carrying pigment in blood?
thrombin
plasma
hemoglobin
protein
- 23. Multiple ChoiceThin-walled vessels that allow for the exchange of O2 , CO2, nutrients and wastes between blood cells or air sacs in the lungsArteriesVeinsCapillaries
- 24. Multiple ChoiceWhat does the Circulatory System do?Circulates the Blood throughout the bodyCirculates Water throughout the bodyExcretes WasteControls all parts of the body
- 25. Multiple Choice
The heart plays the role of what similar component in the engine of the car
fan
filter
pump
cylinder
- 26. Multiple Choice
The capillaries are the
largest blood vessels in the circulatory system
smallest blood vessels in the circulatory system
the size of your fist
the same size as the veins
- Answer choicesTagsAnswer choicesTags