Which of the following can be found in all blood vessels, lymph and tissue fluid?
- A2 and 4 only
- B1, 2 and 3 only
- C1, 3 and 4 only
- D1, 2, 3 and 4
Biology 9700 · AS & A Level · Movement into and out of cells
Which of the following can be found in all blood vessels, lymph and tissue fluid?