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3 Major reason why a cells becomes less capable of independent existence as it becomes more specialized?
- less able to protect its
- less able to see and eat food
- less able to excrete waste products
cells in multicellular animals are completely dependent on
the internal environment
when interstitial fluid enters blood vessels
when plasma enters the lyphatic system it becomes
the extracellular fluid is
interstitial fluid, blood plasma, and lymph
The cardiovascular system consists of
blood, blood vessels, and the heart
the lymphatic system consists of
the lymph, lymphatic vessels, and structures and organs that contain lympatic tissue
Lympatic systems role in protecting the body from spread of diesease
LS recieves interstital fluid , which includes wastes, microorgs, ccancer, and filters it through lymph nodes concentrating disease producing orgs and providing defense mechanisms for the body prior to returning the fluid to the blood.
celllike portion- the formed elements, and straw colored liquid portion- plasma- 55%
- 91.5% Water
- 8.6% solutes- plasma proteins- maintained at specific concentrations
Plasma Proteins found in the
plasma proteins divided into three large groups
used as a carrier of some blood solutes, major contributor to viscosity and osmolarity of the blood
involved in solute transport and blood clotting, the gammas are for anitbodys( immunity)
percursor to fibrin used in blood coagulation
RBC are ___ than other blood component so they go to the ___ of the tube in a ____
- constitute 45% of total volume of blood
what is the buffy coat?
atop of the RBCs makes up less than 1% composed of leukocytes and pallets.