Flashcards in Lecture 8: Blood Deck (11):
What is blood comprised of?
Different cell types suspended in a liquid matrix called plasma
What is plasma comprised of?
Water, ions, buffers, proteins and many other components
Name the types of cells in regards to blood
RBCs, white blood cells and platelets
What are the roles of the different kinds of blood cells?
RBCs: Transport oxygen, WBCs: Immunity and Platelets: Clotting factors
What are the other names for red and white blood cells?
RBCs: Erythrocytes WBCs: Leucocytes
Describe the process of oxygen being transported around the body in terms of blood
O2 binds to the protein haemoglobin. It also binds to dissolved gas causing capillaries to relax and dilate, aiding delivery to the tissues.
Name the 5 major white blood cell types
Mono/lympho-cytes and Neutro/Baso/Eosino-phils
How do white blood cells fight infection?
Describe the process of B lymphocytes
Bind, clonal expansion to produce daughter and plasma cells. Plasma: secrete antibodies that attack the pathogen
Where do RBCs, leukocytes and platelets come from?
They originate from a single population of pluripotent stem cells in the red bone marrow