1.1. Tissue fluid bathes almost all cells outside of the circulatory system.

Describe the formation of tissue fluid. 

1.2. The table below shows the differences between blood plasma and tissue fluid. 

Explain the differences shown in the table.

Table 1

1.3. Water is a major component of tissue fluid. 

Explain the properties of water that enable its role of transport in mammals.

1.4. Lymphoedema is a condition that causes swelling in the legs or arms due to a build up of tissue fluid. 

With reference to pressure, explain why someone with lymphoedema would have swelling in their arms or legs.