Main constituent of the heart and the thickest layer of all three heart layers. It is a muscle layer that enables heart contractions.
MYOCARDIUM
Innermost Layer of the Heart
ENDOCARDIUM
Arteries vs. Veins
BLOOD, COLOR OF BLOOD, VALVES, PULSE
Stop the blood from going in the wrong direction
VALVES
Surround the veins so that when the muscles contract, the veins are squeeze and the blood been pushed along the vessels
BODY MUSCLES
SVC & IVC
VENA CAVA
Smallest vein vessels
VENULES
Returns tissue fluid to the bloodstream, protects the body by removing microorganisms and impurities, processes lymphocytes, and delivers fats absorbed from the small intestine to the bloodstream
LYMPHATIC SYSTEM
What is Lymphocytes?
TYPE OF WHITE BLOOD CELLS IN THE VERTEBRATE IMMUNE SYSTEM
What is Lymphatic Vessels?
THIN TUBE THAT CARRIES LYMPH AND WBC THROUGH THE LYMPHATIC SYSTEM
Referred to as "the river of life"
BLOOD
Adult has approx. ___ liters of blood
5
__ are formed elements/cells
45%
__fluid (plasma in circulation w/fibrinogen)
55%
Pale yellow fluid (91% water; 7% proteins; 2% ions, nutrients, gases, waste products, and regulatory substances)
PLASMA
Plasma is composed of
ALBUMIN, GLOBULIN, FIBRINOGEN
Makes up 58% of plasma proteins
ALBUMIN
38% of plasma proteins (antibodies and complement)