B because it’s talking about the tree itself. Saying that it’s plants would divert it to a different plant. The cells of the wood is what makes the tree and is relevant to the question
Answer:
d. superior to the popliteal region
Explanation:
The lumbar region comprises five vertebrae of the back where the spine bends outward. This part of the spine is essential as it holds the majority of the body weight and also offers flexibility. The popliteal portion is situated at the backend part of the knee and forms the lumbar region at its superior segment. So, the correct answer is option d.
Veins provide support for the leaf and transport both water and minerals (via xylem) and food energy (via phloem) through the leaf and on to the rest of the plant.
