MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100
Amina takes her pulse. She counts 19 beats in 15 seconds. Calculate her pulse rate in beats per minute (bpm).
Important Questions on Respiration and Circulation
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Describe how Amina could test how her pulse is affected by exercise.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Write a prediction about how you think Amina's pulse rate will be affected by exercise.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Explain why Amina's pulse rate increase after exercise. Write your prediction.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Draw one line to match the part of the blood with its function.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
The diagram shows the parts of the human respiratory system. Name the parts labelled A.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
The diagram shows the parts of the human respiratory system. Name the parts labelled B.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
The diagram shows the parts of the human respiratory system. Name the parts labelled C.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Oliver measures his breathing rate while running. Here are his results.
| Time (minutes) | Breathing rate (breaths per minute) |
| 0 | 12 |
| 1 | 22 |
| 2 | 24 |
| 3 | 26 |
| 4 | 28 |
| 5 | 30 |
What variable does he change?
