Blood, and how it works
Quiz by Sasha
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9 questions
Show answers
- Q1What are the main cells in all blood?PlasmaRed blood cellsWhite blood cellsWhite and red blood cells30s
- Q2How does oxygen get distributed in the bodyThrough the lungsThrough the stomachThrough the white blood cellsThrough the circulatory system30s
- Q3How do white cells fight bacteria and other harmful elements?They push them out of the bloodThe kill and eat themThey inject them with medicines that we takeThey starve them of oxygen30s
- Q4How do the red blood cells clean our blood from carbon dioxide?They push carbon dioxide to the liver to be cleanedThey attach to the carbon dioxide and push it to the lungs for fresh oxygenThey eat up the carbon dioxideThey have a chemical that neutralizes carbon dioxide30s
- Q5How long do red blood cells live2 months2 daysforever120 days30s
- Q6How much blood does a grown up have in their body?About 2 litresAbout 10 litresAbout 20 litresAbout 5 litres30s
- Q7How much blood does an average 6-8 year old have in their bodyHalf as much as an adultDepends on the time of yearWe all have a similar amount fo blood2x the child's age in years30s
- Q8How does the body stop the body from losing all the blood when we cut ourselves?The heart stops pumping blood to the cutThe blood clotsAfter a while, there is no more blood around the cutYou must have a plaster to stop it30s
- Q9If you cut an artery, will the colour of the blood be darker or lighterDepends on how much blood there is coming from the cutDepends on how deep the cut isDarkerLighter30s