Topic: Plant Transport Subtopic: The importance of phloem and xylem
What are cross walls?
Answer: Cross walls also known as sieve plates develop into sieve tubes. It is through the sieve tubes that the food is transported.
- What is chance of smokers of dying from bronchitis?
- What are vitamins and functions?
- Which enzyme acts on food in stomach?
- What is pulmonary vein?
- Why is iron important?
- How does blood flow in veins?