Unit 9- Red Blood Cells Flashcards
How long do red blood cells live?
120 days
Where are red blood cells produced
In red bone marrow(in skull, ribs, vertebrae, and long bones)
Myeloid stem cells (Erythrocytes)
Form into
Erythrocytes( Red blood cells)
How many red blood cells are produced every second?
5 million
Red blood cells contain a protein called
Hemoglobin
What does hemoglobin contain that gives blood is red color?
Iron
How many hemoglobin molecules are in one red blood cell?
200 million
If hemoglobin was not packaged up in red blood cell what would leak out of the circulatory system?
Oxygen
Where is hemoglobin destroyed?
In the liver and spleen
Read that sells allow the blood to remain liquid so
The heart does not have to work as hard
The lungs are
Cooler and less acidic
causes haemoglobin to pick up oxygen
The body is
Warmer, more acidic
Causes hemoglobin to drop off oxygen
May have another antigen called antigen ___
Antigen D
Antigen D is also known as
The Rhesus factor
What is it called when the mother would try and destroy the babies red blood cell by producing antibody D?
Erythroblastosis
What would occur if the second baby is RH+?
Then aggutination would occur and the baby would be in trouble
What enzyme can be injected into a mom with eliminates antibody D?
RHOgen
Red blood cells can _______ and ________through the body’s blood vessels
bend and pass
Red blood cell function
Carry oxygen
What is it called when haemoglobin combines with oxygen?
Oxyhemoglobin-bright red
What is it called when haemoglobin releases oxygen?
Deoxyhemoglobin- darker reddish colour
Prolonged oxygen deficiency is called what? And results in…
Hypoxia, results in a blueish cyanotic appearance
Old red blood cells are more rigid and have difficulty getting through the _________
Capillaries
Haemoglobin decomposes into
Iron and a greenest pigment, biliverdin
What causes a severe reduction in red blood cell numbers?
Vitamin B 12 and folic acid deficiency
Vitamin C helps
Iron absorption
