Expert Verified | Latest Questions 2025
functions of the cardiovascular system: transport substances protects the body regulates pH &
body temperature
name the three components of the cardiovascular system: heart blood vessels blood
the circulatory system includes which two organs: cardiovascular system and lymphatic
system
what is the lymphatic system: a network of lymphocytes vessels and lymph organs that work to provide
immunity and to return excess fluid that escapes the blood vessels into the bloodstream
blood is composed of: (non-living) liquid part (plasma) (Living cells) & formed elements (rbc's wbc's and
platelets)
what is plasma: fluid part of blood
what are the three formed elements of blood: red blood cells white blood cells and platelets
why is blood considered to be a connective tissue: it has specialized cells called rbc's wbc's
,and platelets, it has protein fibers called fibrinogen & fibrinogen, it also has ground substances called plasma
provide for examples of substances transported in the blood: blood picks up O2 from
the lungs and drops off CO2, blood picks up nutrients from the digestive tract, blood picks up hormones from the
endocrine glands, and blood picks up waste and carries them to the kidneys and lungs and other organs of
excretion
blood protects in what two different ways: against fluid loss and against pathogens and toxins
what are two factors that blood regulates: pH and electrolytes
what is the normal pH Level of the blood: 7.35-7.45
what is the normal body temperature in Celsius: 37 degrees Celsius
plasma composes % of blood volume: 55
water makes up % of plasma: 92
make up 8 % of the plasma is mostly made up of proteins made
mostly by the liver (except antibodies): plasma proteins
,name the four plasma proteins: albumin, globulins, fibrinogen, & regulatory proteins
makes up 60% of plasma protein it's functions are maintaining osmotic
pressure of the blood, buffers blood, contributes to the thickness of blood
& albumin transports lipids and proteins: albumin
makes up 35% of plasma proteins attacks foreign proteins and
pathogens & binds supports and protects: globulins
makes up 4% of plasma protein important in blood clotting in which they
are converted to another protein called : fibrinogen fibrin
, makes up 1% of plasma proteins. functions are enzymes are involvedin the
blood: regulatory proteins
list the electrolytes commonly found in the blood dissolved in plasma: Name+
K+ Ca2+ Cl- HCO3- Mg2-
list the nutrients commonly found in blood: glucose amino acids lipids cholesterol vitamins
Trace elements
list the two major dissolved gases in blood: O2 CO2
give two examples of waste products found in blood: urea bilirubin
in 5 liters of blood there are RBC's: 25 trillion
RBC's makeup about % of formed elements: 99
RBCs have a lifespan of : 120 days
old blood cells are destroyed & the : liver spleen