Nature & science · Age 9 · Advanced Body Systems (circulation & Respiration)
Blood's Big Job – Keeping Every Cell Alive
Discover how blood supports every cell by supplying oxygen and nutrients while removing waste.
Module
Advanced Body Systems (circulation & Respiration)
Age
Age 9
Duration
10 min
Questions
5
What's in this exercise
Answers are hidden — sign up to practise and check your work.
Question 1
Multiple choice
What would happen to cells if they stopped receiving oxygen from blood?
Question 2
Multiple choice
Which substance in red blood cells binds to oxygen to carry it around the body?
Question 3
Multiple choice
Which of these is a nutrient that blood carries to cells for energy?
Question 4
True or false
Carbon dioxide is a waste product that cells release into the blood.
Question 5
Matching
Match each substance to whether blood delivers it to cells or removes it from cells.
Sign up to let your kid practise these exercises
Get started — it's freeMore exercises in this module
Graph Patterns – Understanding What Heart Rate Data Tells Us
Active Bodies – Why Moving More Means a Healthier Heart
Activity and Your Body – How Exercise Changes Breathing and Heart Rate
Inside the Circulatory System – Blood and Its Pathways
Breathing In – How Lungs Bring Oxygen into the Body
What Blood Carries – Oxygen and Nutrients on the Move