Heart, blood and lungs
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Questions
- 1Multiple choice · 20 s · 10 ptsNot played yet
How many chambers does the human heart have?
- ATwo
- BThree
- CFour
- DSix
- 2Multiple choice · 20 s · 10 ptsNot played yet
Which blood vessels carry blood away from the heart?
- AArteries
- BVeins
- CCapillaries
- DValves
- 3Multiple choice · 20 s · 10 ptsNot played yet
Which blood vessels carry blood back to the heart?
- AArteries
- BVeins
- CCapillaries
- DNerves
- 4Multiple choice · 20 s · 10 ptsNot played yet
In which tiny blood vessels does oxygen pass from the blood into the body's cells?
- AArteries
- BVeins
- CAlveoli
- DCapillaries
- 5Multiple choice · 20 s · 10 ptsNot played yet
Which part of the blood carries oxygen around the body?
- AWhite blood cells
- BRed blood cells
- CPlatelets
- DPlasma
- 6Multiple choice · 20 s · 10 ptsNot played yet
What is the main job of white blood cells?
- ACarrying oxygen
- BHelping blood clot
- CCarrying carbon dioxide
- DFighting infection
- 7Multiple choice · 30 s · 10 ptsNot played yet
This scab formed after a fall. Which tiny cell fragments in blood help make a clot like this?

- ARed blood cells
- BWhite blood cells
- CPlatelets
- DPlasma
- 8Multiple choice · 20 s · 10 ptsNot played yet
What can you feel when you press two fingers on your wrist like this?

- AYour breathing
- BYour nerves working
- CYour muscles growing
- DYour pulse
- 9Multiple choice · 20 s · 10 ptsNot played yet
In the lungs, where do oxygen and carbon dioxide pass in and out of the blood?
- AIn the alveoli
- BIn the trachea
- CIn the bronchi
- DIn the diaphragm
- 10Multiple choice · 20 s · 10 ptsNot played yet
Which gas do you breathe out more of than you breathe in?
- AOxygen
- BCarbon dioxide
- CNitrogen
- DHydrogen
- 11Multiple choice · 20 s · 10 ptsNot played yet
Which dome-shaped sheet of muscle below the lungs helps you breathe in?
- ATrachea
- BLarynx
- COesophagus
- DDiaphragm
- 12Multiple choice · 20 s · 10 ptsNot played yet
What is the scientific name for the windpipe?
- ATrachea
- BOesophagus
- CLarynx
- DBronchus
- 13Multiple choice · 20 s · 10 ptsNot played yet
Why does your heart beat faster when you run like this?

- AYour blood needs cooling
- BYour muscles need more oxygen
- CYour lungs get smaller
- DYour blood gets thicker
- 14True or false · 20 s · 10 ptsNot played yet
Regular exercise makes the heart muscle stronger.
- ✓True · བདེན།
- ✕False · རྫུན།
- 15Multiple choice · 30 s · 10 ptsNot played yet
Cigarettes are made from dried tobacco leaves like these. Which addictive drug do they contain?

- ACaffeine
- BGlucose
- CNicotine
- DVitamin C
- 16True or false · 20 s · 10 ptsNot played yet
Smoking damages the alveoli and makes it harder to breathe.
- ✓True · བདེན།
- ✕False · རྫུན།
- 17True or false · 20 s · 10 ptsNot played yet
Blood in your veins is blue.
- ✓True · བདེན།
- ✕False · རྫུན།
- 18True or false · 20 s · 10 ptsNot played yet
The left side of the heart pumps blood to the lungs.
- ✓True · བདེན།
- ✕False · རྫུན།
- 19Multiple choice · 20 s · 10 ptsNot played yet
Doctors use this to listen to the heart. What makes the 'lub dub' sound?

- ALungs filling with air
- BBlood cells bumping
- CHeart valves closing
- DRibs moving
- 20Multiple choice · 20 s · 10 ptsNot played yet
Which pale yellow liquid makes up just over half of your blood?
- APlasma
- BPlatelets
- CHaemoglobin
- DSaliva
