responsible for oxygen carrying, as it carries oxygen, nutrients, hormones, and also sometimes it also helps to remove waste products such as carbon dioxide
five functions of circulatory system
Carries bloodExchanges nutrients, waste products, and gases with tissuesTransports substancesHelps regulate blood pressureDirects blood flow to tissues
name all the substance that the circulatory system transports
HormoneComponents of the immune systemMolecules EnzymesNutrientsGassesWaste products
self regulating process in which a living organism can maintain internal stability while adjusting to changing external environment/conditions
body homeostasis
Transporting fluid of the body.
Blood
the blood is composed of
plasmaformed elements
make up 55% of blood
plasma
composition of plasma
91% water7% protein2% other solutes
a liquid portion of blood without its cellular elements
plasma
Plasma is characterized by
a clear extracellular matrix
the plasma contains different proteins, name all of them
Albumin 57% (most abundant)Globulin 38%Fibrinogen 4% - necessary for blood clottingProthrombin 1%
the name given to plasma after a blood clot is formed
Serum
45% of blood
Formed elements
composition of formed elements
1% buffy coat99% RBCs
red blood cells
Erythrocytes
white blood cells
Leukocytes
platelets
Thrombocytes
shape of red blood cells
Biconcave shaped
No nucleusCytoplasm densely filled with hemoglobin
red blood cells
lifespan of red blood cells
120 days
RBC of Female:
4.2-5.4 10^12/L
RBC of Male:
4.5-6.2 10^12/L
formation of blood cells
Hematopoiesis
process by which RBCs are produced
Erythropoiesis
Body's natural defense against injury and diseaseHave nuclei and no pigment
WHITE BLOOD CELLS
TYPES OF WHITE BLOOD CELLS on the density of their cytoplasmic granules:
GranulocyteAgranulocyte
have an obvious granulesHave a polymer thick nuclei with two or more lobes
Granulocyte
Examples of Granulocyte
NeutrophilEosinophilBasophil
Having a few or no granulesDoes not have a specific granulesHave an azurophilic granules (the lysosomes)Nucleus: round
agranulocyte
the agranulocyte have an ______ granules (the lysosomes)
azurophilic
example of agranulocyte
LymphocytesMonocytes
TYPES OF WHITE BLOOD CELLS based on their function:
PhagocyteImmunocyte
The WBC that use __________ to engulf bacteria, viruses, and other foreign particles in order to protect the body.
phagocytosis
examples of Phagocyte
NeutrophilEosinophilBasophilMonocytes
Involved or related to the immune response of the body