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- 1. Multiple ChoiceIf the environment gets cold, we will often shiver in order to:keep body temperature the same as the external temperaturedecrease body temperatureincrease body temperatureregulate blood pressure
- 2. Multiple ChoiceHomeostasis in the human body is often maintained by a:neutral feedback loopsolar feedback looppositive feedback loopnegative feedback loop
- 3. Multiple ChoiceThe maintenance of an organism’s internal environment is called:compensatinghomeostasisbalancingroutine
- 4. Multiple ChoiceThe "cause" for something to happen is theresponseeffectstimulushomeostasis
- 5. Multiple ChoiceThe "effect" of a given stimulus is the...responsestimuluscauseresult
- 6. Multiple Choice
a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.endocrine systemnervous systemnerveneuron - 7. Multiple Choicea body system that controls growth and homeostasis by secreting hormones from glands.skeletal systemnervous systemendocrine sytemintegumentary system
- 8. Multiple Choicechemical made by glands that tell cells to make something or respond in some way.acidenzymeperspirationhormone
- 9. Multiple ChoiceWhat is the immune system’s main purpose?Let’s germs into the body.Helps your body fight off illness and disease.The immune system produces illness and bacteria.The immune system trap germs in an organ so they do not spread.
- 10. Multiple ChoiceWhat is the series of steps in the immune system called?Response immuneImmune responseImmune stepsSteps immune
- 11. Multiple ChoiceWhat is the largest outer defense of the body?Stomach AcidMucous MembranesCiliaSkin
- 12. Multiple ChoiceWhich of these is NOT an outer defense?Stomach acidMucus membraneWhite blood cellsTears
- 13. Multiple ChoiceWhich cells allow the body to to remember and recognize previous invaders?White Blood CellsAntigensPhagocytesLymphocytes
- 14. Multiple ChoiceWhat do white blood cells create to fight infections?AntibioticsAntigensAntibodiesLeukocytes
- 15. Multiple ChoiceName the levels of organization in the human body in order from smallest to largest:Tissue, organ, organ systemOrgan system, tissue, organs, cellsCells, tissue, organs, organ systemCells , organs, tissue, organ system
- 16. Multiple ChoiceHomeostasisallows for a wildly fluctuating internal environmentis impossible in vertebratesis the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulationis the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
- 17. Multiple ChoiceWhen you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.Positive Feedback ResponseNegative Feedback Loop
- 18. Multiple ChoiceWhat is responsible for delivering oxygen and removing carbon dioxide from the body?cell nucleusexcretory systemnervous tissuerespiratory system
- 19. Multiple ChoiceThe main purpose of the ____________ system is to break food particles into pieces that can be used.circulatoryrespiratorydigestiveskeletal
- 20. Multiple ChoiceThe circulatory system uses _________ to deliver oxygen to the rest of the body.blood cellslungs and noseblood vesselsbrain and spinal cord
- 21. Multiple ChoiceGas exchange between the blood and the outside occurs in which system?RespiratoryCirculatoryLymphaticIntegumentary
- 22. Multiple ChoiceElimination of waste and regulation of blood chemistry is performed by which system?CirculatoryUrinaryDigestiveEndocrine
- 23. Multiple ChoiceWhat is the main function of the respiratory system?to provide oxygen and remove carbon dioxide from the bodyto bring oxygen to the bodyto break down food and absorb nutrientsto remove oxygen from the body and deliver carbon dioxide
- 24. Multiple ChoiceThis system carries oxygen, nutrients and waste around the body.LymphaticUrinaryRespiratoryCirculatory
- 25. 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.
- 26. Multiple ChoiceWhich blood vessels carry blood to the heart?Aortaveinsarteriesarterioles
- 27. Multiple ChoiceWhich blood vessels carry blood away from the heart?capillariesveinsarteries
- 28. Multiple ChoiceWhat does Deoxygenated mean?Oxygen-richBlood flowOxygen-poorWater Flow
- 29. Multiple ChoiceIdentifyLeft atriumRight atriumLeft ventricleRight ventricle
- 30. Multiple ChoiceIdentifyLeft atriumRight atriumLeft ventricleRight ventricle
- 31. Multiple ChoiceThe lower chambers of the heart are called the ...arteryventricleatriumvesticle
- 32. Multiple ChoiceHow many chambers does the heart have ?4631
- 33. Multiple ChoiceThe right side of the heart delivers blood to the ________ while the left side delivers blood to the __________.Lungs;BodyBody;LungsLungs;BrainBrain;Lungs
- 34. Multiple Choice
Human enzymes work best at this level
20 degrees farenheit
30 degrees celsius
100 degrees celsius
37 degrees celsius
- 35. Multiple Choice
Vasodilation means
blood vessels allow more blood to flow through them
blood vessels allow less blood to flow through them
blood vessels swell up
there is a blood clot
- 36. Multiple ChoiceThe term for maintaining internal temperature is:ThermoregulationThermometerHomeothermalHomeostasis
- 37. Multiple Choice
What happens in your body temperature drops below 35 oC?
Hyperthermia
Hypothermia
Hypertonic
Hypotonic
- 38. Multiple Choice
What happens if your core body rises above 40oC?
Hyperthermia
Hypothermia
Hypertonic
Hypotonic
- 39. Multiple Choice
How is heat transferred around the body?
Blood
Water
Sweat
Skin
- 40. Multiple Choice
Why is the bodies core temperature 37oC?
Optimum temperature for enzymes
No specific reason
To limit the enzymes rate of reaction
Its not 37oC
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