MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100


The diagram shows part of the circulatory system. Write down the letter of the vessel that carries blood that is lower in oxygen.


50% studentsanswered this correctly

Important Questions on Respiration and Circulation
MEDIUM
Lower Secondary Stage 8
IMPORTANT
In the diagram, the wall of chamber W is thicker than the chamber on the other side of the heart. Explain why this is.

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Explain why the circulatory system is described as a double circulatory system.

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Amina takes her pulse. She counts 19 beats in 15 seconds. Calculate her pulse rate in beats per minute (bpm).

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.
