KS3 Unit 8b - Respiration 1 © NTScience.co.uk 2005 Respirati on
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KS3 Unit 8b - Respiration 1© NTScience.co.uk 2005
Respiration
KS3 Unit 8b - Respiration 2© NTScience.co.uk 2005
Q1. Give the technical term for the windpipe – the tube between throat
and lungs?
KS3 Unit 8b - Respiration 3© NTScience.co.uk 2005
A1. Trachea
KS3 Unit 8b - Respiration 4© NTScience.co.uk 2005
Q2. The windpipe splits into two of these – one
to each lung
KS3 Unit 8b - Respiration 5© NTScience.co.uk 2005
A2. Bronchus
KS3 Unit 8b - Respiration 6© NTScience.co.uk 2005
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
KS3 Unit 8b - Respiration 10© NTScience.co.uk 2005
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
KS3 Unit 8b - Respiration 14© NTScience.co.uk 2005
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
KS3 Unit 8b - Respiration 18© NTScience.co.uk 2005
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
KS3 Unit 8b - Respiration 24© NTScience.co.uk 2005
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
KS3 Unit 8b - Respiration 36© NTScience.co.uk 2005
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