Topic: Plant Transport Subtopic: The importance of phloem and xylem
How can xylem be described?
Answer: Xylem is a long empty tube made up of dead cells which form vessels.
- How can large molecules pass through digestive tract?
- What is osmosis?
- What is plasma?
- How does blood flow in arteries?
- What are symptoms of cold?
- How are proteins digested?
Oceans of World Video