Blood Plasma Proteins and non proteins

Albumin

* (60% of plasma proteins)
* acts as a carrier to shuttle certain molecules through circulation
* blood __buffer__
* exerts osmotic pressure to maintain __H2O__ balance between blood and __tissues__

__Globulins__

* α & β-transport proteins and ɣ-antibodies

other proteins

* hormones, enzymes, etc

nitrogenous substances

* by-products of cellular respiration, eg. lactic acid

nutrients

* sugars, a.a., glycerol & fatty acids, vitamins

electrolytes

* Na+, K+, Ca2+, Cl-, Mg, HPO4

respiratory gases

* O2, CO2