1.1 - Mass Flow Systems

Question 1

What is a mass flow system?

Answer 1

A system transporting substances in bulk over a long distance down a pressure gradient

Question 2

What are the features in a mass flow system?

Answer 2

Circulatory fluid (blood)
Pumping device to move fluid (heart)
Tubes through which fluid can circulate (blood vessels)

Question 3

What is an open circulatory system?

Answer 3

blood is not fully contained in blood vessels

Question 4

What is an closed circulatory system?

Answer 4

blood is fully contained in blood vessels

Question 5

What is single circulation?

Answer 5

blood pumped from heart to respiratory organ and from there to organs / body cells and then back to heart

Question 6

What is double circulation?

Answer 6

blood passes through the heart twice: once to lungs and back, once
to organs / body cells and back

Question 7

What is systemic circulation?

Answer 7

carries oxygenated blood from heart to organs / body cells and returns deoxygenated blood to the heart

Question 8

What is pulmonary circulation?

Answer 8

carries deoxygenated blood from heart to lungs and returns oxygenated blood to the heart

Question 9

Why are mass flow systems needed?

Answer 9

carries deoxygenated blood from heart to lungs and returns oxygenated blood to the heart