cardiovascular system-blood 08/17/22 Flashcards
the cardiovascular system contains what?
heart
blood
blood vessels
blood is what kind of tissue
fluid connective tissue
what is plasma
liquid portion of blood
what are the formed elements of this system?
erythrocytes
leukocytes
thrombocytes
what are red blood cells also called
erythrocytes
what do erythrocytes transport?
blood
what are white blood cells also called?
leukocytes
what is the natural defender?
leukocytes (white blood cells)
what are blood platelets also called?
thrombocytes
of the formed elements in blood what is the percentage of erythrocytes?
99.9%
of the formed elements in blood what is in the 0.1%
leukocytes
thrombocytes
what is a function of the thrombocytes?
initiate and control the clotting process of blood
blood vessels—>
artery—-> arterioles—-> capillaries—–> venules—-> veins
plasma consists of:
92% H2O
7% blood proteins
1% Na+, K+, Ca2+, Fe-, etc.
of the 7% blood proteins found in plasma what is it produced by and the percentage?
the liver produces 90% of the 7%
what are the blood proteins
albumin
globulin
fibrinogen
what is the most important blood protein and its function
fibrinogen is responsible for the clotting of blood
urea produced in liver is removed by the
kidneys
functions of blood
- transports oxygen, carbon dioxide
- transports nutrients
- transports waste
- transports hormones
- leukocytes protect body from disease, thrombocytes responsible for clotting of blood
- transports heat
hemoglobin
pigment present in RBC
hepatic portal system—->
small intestine—> liver —-> cells of our body
nutrients of the blood are what 6 classes of food
- carbs
- proteins
- lipids (fat)
- mineral salts
- vitamins
- water
what is the end product of carbs
glucose
what is the end product of proteins
amino acids
