What are the principle components of circulatory systems?

What do these achieve?

What are the pressure and resistance differences between the two systems?

What are the features of an open circulatory system?

Describe the flow of haemolymph through the body

What does co-ordinated body movements assist in?

Describe open circulation in insects

What are the features of a closed circulatory system?

What role does the lymph system play?

Draw a diagram of the blood vessels involved in circulation

Where and how are materials exchanged between blood vessels and cells?

Describe the movement of materials from blood vessels to cells and back to the herat

How may a closed circulatory system vary between organisms?

What are the requirements of an efficient circulatory system?

What formula allows us to figure out flow rate?

What additional function must mammalian cardiovascular systems also carry out?