Need for transport systems

Question 1

Why do multicellular organisms need a transport system?

Answer 1

To supply oxygen + nutrients to the sites where theyre needed, and to remove waste

Question 2

What are the 5 reasons why transport systems are useful?

Answer 2

• They help meet high metabolic demands
• SA to vol ratio gets smaller as organisms get larger
• Molecules (like hormones) made in 1 place need to be transported elsewhere
• To transport products of digestion (such as vitamins)
• Remove bodily waste