Respiration
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KS3 Unit 8b - Respiration
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Q1. Give the technical
term for the windpipe –
the tube between throat
and lungs?
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KS3 Unit 8b - Respiration
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A1. Trachea
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Q2. The windpipe splits
into two of these – one
to each lung
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A2. Bronchus
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Q3. What are the tiny air
bags with large surface
area, found in the lungs,
called?
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A3. Alveoli
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Q4. What is the red
substance in blood that
carries oxygen called?
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A4. Haemoglobin
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Q5. What thick walled
blood vessels carry
blood away from the
heart to the rest of the
body?
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A5. Arteries
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Q6. Which blood vessels
carry blood back to the
heart?
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A6. Veins
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Q7. What do we call the
thin blood vessels that
are only one blood cell
wide?
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A7. Capillaries
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Q8. Name the process
of mechanical
movement of air in and
out of the lungs?
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A8. Breathing
Ventilation
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Q9. Name the red liquid
mixture that carries
oxygen and food to
every cell?
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A9. Blood
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Q10. Give the scientific
term for drawing air into
the lungs – to breathe in
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A10. Inhale
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Q11. Give the scientific
term for pushing air out
of the lungs – to breathe
out
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A11. Exhale
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Q12. Name the chemical
reaction taking place in
all living cells where
glucose and oxygen
react to release energy
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A12. Respiration
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Q13. Name the gas in
the atmosphere needed
for respiration
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A13. Oxygen
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Q14. Name the gaseous
product of respiration
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A14. Carbon dioxide
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Q15. Name the
muscular organ that
pumps blood around the
body
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A15. Heart
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Q16. What is the flow of
blood around the human
body called?
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A16. Circulation
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Q17. Name the simple
sugar fuel used in
respiration
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A17. Glucose
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Well Done!
Now check your score
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