Blood Flashcards
3 weeks, use diffusion to circulate over 3 weeks, heart begins to develop
Embryo
Functions of cardiovascular system
Supplies nutrients to cells
Supplies oxygen to cells
Removes wastes
Prevents diseases
Takes fluid out of tissues that are carried into it by the circulatory system
Lymphatic system
Functions of blood
Transport dissolved gases, nutrients, hormones and wastes
Regulates pH and ion composition
Defends against toxins and pathogens
Regulates body temp
Liquid portion of blood
55%
92% water
Plasma
Red blood cells, WBCs, platelets
Formed elements
Plasma and formed elements together
Whole blood
Helps transport materials by osmosis
Albumin
Antibodies, binds to small ions
Globulins
Blood clotting protein
Fibrinogens
Formation of blood in bone marrow
Hematopoiesis
Stem cells for all blood cell formation
Hemocytoblasts
Erythrocytes
Contain hemoglobin
Red blood cells
% of whole blood that is formed elements
Hemocrit
SA/volume ration is better
Cells can stack
Cells are flexible
Biconcave shape/ structure
Removes damaged cells
Phagocytic cells
Rupturing of blood cells
Hemolysis
Urine is red or brown, caused by RBC break down
Hemoglobinuria
Full RBCs in urine
Hematuria
Formation of RBCs
Erythropoeisis
Person who studies blood formation and function
Hematologist
Blood
Heart
Blood vessels
Cardiovascular system
Trigger immune responses *determine blood type.
Antigens
A antigen 40%
Type A
B antigen 12%
Type B
A antigen; B antigen 5%
Type AB
No antigens 43%
Type O
Positive (Rh+) Rh antigen present
Negative (Rh-) Rh antigen missing
Rh factor