1. What is blood made up of?
- Plasma and red and white blood cells
- Plasma, platelets and red and white blood cells
- Platelets and red and white blood cells
1 of 18
Other questions in this quiz
2. What is used to keep open an artery if it begins to narrow and restrict blood flow?
3. What does haemoglobin combine with oxygen to form?
4. How is oxygen transported around the body?
- In red blood cells
- In blood plasma
- In white blood cells
5. How many chambers are there in the heart?