Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/18

Click to flip

18 Cards in this Set

  • Front
  • Back
3 parts to the
cardiovascular system
blood
heart
vessels
blood tissue
connective tissue:
very few cells
lots of extracellular matrix
circulation connects
many organs
blood composition
55% plasma
45% formed elements
formed elements
RBC - erythrocytes
WBC - lymphocytes
platelets - thrombocytes
roles of blood
transportation
regulation
protection
4 transporting roles of blood
transports:
> oxygen & CO2 between lungs & cells
> nutrients from GI tract to cells
> waste from cells
> hormones from endocrine glands to body cells
4 regulatory roles of blood
> reservoir of fluids to keep the body's fluid levels balanced
> ph has a buffering quality - ability to convert strong acids or bases into weaker ones
> body temp - heat absorbing and coolant capacity of H2O in blood
> contributes or takes away water from cells
4 protective roles of blood
> limits blood loss through clotting
> WBC combat toxins and microbes
> phagocytosis - ingestion & destruction of microbes, cell debris & foreign matter
> production of antibodies, interferons & complement
5 physical characteristics of blood
> viscosity greater than water
> 38'C / 100.4'F
> ph 7.35 - 7.45
> 8% of body weight
> volume of 4-6 liters
plasma
blood without the formed elements
91.5% water
8.5% solutes (7% is plasma proteins)
components of plasma
1- water
2- albumins
3- globulins
4- fibrinogen
5- electrolytes
6- nutrients
7- gases
8- regulatory substances
9- waste
hemopoiesis
production of formed elements of blood
(RBC, WBC, platelets)
erythropoeitin
hemopoietic factor to increase erythtocytes (RBC)
physical characteristics of erythrocytes
5.4 million cells/microliter of blood
biconcave disc
no nuclei
contains hemoglobin
formation of red blood cell
pluripotent stem cell
myeloid stem cell - erythropoietin
proerythroblast
reticulocyte
erythrocyte (RBC)
formation of platelets
pluripotent stem cell
myeloid stem cell - thrombopoietin
megakaryoblast
megacaryocyte
thrombocyte (platelet)
formation of white blood cell
(granular leukocytes)
pluripotent stem cell
myeloid stem cell - cytokines
myelobast, eosinophilic myeloblast or basilic myeloblast
neutrophil, eosinophil or basophil
formation of white blood cells
(agranular leukocytes)
pluripotent stem cell
myeloid or lymphoid stem cell - cytokines
monoblast or lymphoblast
monocyte or lymphocyte
macrophage or B cell, T cell