5.5 The circulatory system

Question 1

What does haemolymph do?

5 points

Answer 1

• Cells need to be bathed by a fluid to survive and function
• All living cells need a supply of food as a fuel to produce energy and as raw material for the manufacture of other substances
• Cells need a constant supply of oxygen in solution
• Other materials such as hormones need to be able to reach their target areas
• Waste (the product of the activity of living cells must be removed or they will be poisoned by it