MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100

Sketch and label a diagram of the circulatory system. 

Important Questions on Respiration and Circulation

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 20
Which liquid do mammals produce, which contains a lot of urea?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 21
Which part gives blood its colour?
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 22
Draw a table to show what the different parts of the blood do.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 23
  1. Describe how can a microscope be used to observe some blood cells. 
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 24
How are red blood cells adapted to contain as much haemoglobin as possible? Why is this useful for red blood cells?
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 9>Q 25
Compare to the number of red blood cells, how many white blood cells are in blood? Explain.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Investigating changes in pulse rate>Q A1
How does your pulse rate change during exercise?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 2 - Respiration and Circulation>Exercise 11>Q 26
Explain why heart muscle tissue needs a supply of blood.