Question
The diagram shows a section through a blood vessel.
Answer/Explanation
Ans: D
Question
The diagram shows cross-sections through three types of blood vessel, not drawn to the same
scale.
Which section is from a vein and which is from a capillary?
Answer/Explanation
Ans: C
Question
What are the main vessels carrying blood to and from the kidney?
Answer/Explanation
Ans: C