Blood Flashcards
What are the 4 main components of blood ?
Plasma
red blood cells (erythrocytes)
white blood cells (leukocytes)
platelets (thrombocytes)
Red blood cells (erythrocytes) are shaped in ______ ______.
Biconcave disks
Red blood cells are one third ______.
Haemoglobin
What is the function of haemoglobin in RBCs?
Transports O2 and some CO2 through the blood
Red blood cells are produced from ______ ____ _____ in red bone marrow
Hematopoetic stem cells
_____ is the hormone that regulates the number of RBCs and stimulates the production of them.
erythropoetin
Erthropoetin is released from the _____ and _____.
liver and kidney
Old red blood cells are broken down and phagocytized by ______ in the liver and spleen.
macrophages
White blood cells (leukocytes) are formed from ______ stem cells in red bone marrow.
hematopoetic
White blood cells travel to sites of infection and leave the bloodstream by ______.
Diapedesis
White blood cells are attracted to damaged tissues - called _____ ____
positive chemotaxis
White blood cells move by ______ motion
amoeboid
The 2 categories of hormones that stimulate the production of WBCs are ______ and _____ _____ ______
Interleukins
colony stimulating factors (CSFs)
What are the different types of White blood cells?
Neutrophils, Eosinophils, Basophils, Monocytes, Lymphocytes.
What are the 2 most common types of white blood cells?
Neutrophils and lymphocytes