Define plasma.

How are red blood cells adapted to carry oxygen?

How can red and white blood cells be told apart under a microscope?

Red blood cells carry oxygen in the form of           .

What is the function of lymphocytes?

What is the function of phagocytes?

Define platelet.

During clotting, soluble fibrinogen is converted into insoluble           .

True or False? Red blood cells contain a nucleus.

True or False? White blood cells defend the body against infection by pathogens.

Define tissue fluid.

How is tissue fluid formed?

How does the composition of tissue fluid differ from plasma?

Why does tissue fluid contain fewer proteins than plasma?

Tissue fluid is formed when plasma is forced out of the         .

What is the role of tissue fluid?

Give an example of a substance exchanged via tissue fluid.

The exchange of substances between cells and the blood takes place via the         .

Define plasma.

True or False? Blood directly bathes the body's cells.

True or False? Tissue fluid contains fewer proteins than plasma.

Water is a good      , so many substances can dissolve in plasma and be transported.