1. True or false, veins carry deoxygenated blood
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Other questions in this quiz
2. What type of blood vessel carries blood away from the heart?
3. Where is haemoglobin found?
- In the blood
- In the white blood cells
- In the red blood cells
- In the plasma
4. What are valves (in a blood vessel) used for?
- To stop the blood from flowing
- To direct the flow of blood
5. What is plasma mostly made of?
- Nitrate ions
- Red blood cells