Given below is a table representing the characteristics of two fluids involved in the transportation of substances in the human body.
| Fluid A |
Fluid B |
| colourless |
coloured |
| contains less oxygen |
contains more oxygen |
| contains less protein |
contains more protein |
(a) Identify fluid A and fluid B.
(b) With the help of a flow chart, describe the movement of fluid A from the intercellular spaces to the main circulatory system.
(c) What role does fluid A play in the digestion of food in humans?
