The term body fluid refers to the water and also the SOLUTES of your body.
The body fluid is made up majorly of water and different types of solutes. The solutes are classified as large and small. The small solutes are made up of electrolytes and metabolites. The large solutes are made up of proteins, enzymes and serum albumin.<span />
Answer:
A patient who can produce antibodies against some bacterial pathogens, but not against viral infections, probably has a disorder in his, B cells.
a) B cells
