Blood Flashcards
Fill in the blanks.
Blood is a _____ containing ________ substances and cells.
The colour of the blood is given by the _________ ________ cells.
- Fluid
- Dissolved
- Red blood
What are the five main components of the blood?
- Plasma
- Serum
- Red blood cells
- White blood cells
- Platelets
What percentage of blood is plasma?
55%
What does Plasma transport?
- Blood cells
- Nutrients
- Amino Acids
- Fibrinogen
- CO2
- Wastes of Digestion
- Antibodies
- Hormones
True or False
Serum plays an important role in clotting.
Serum does not contain any blood cells.
Serum contains Platelets.
False
True
False
Where in the blood are blood cells suspended?
In the plasma.
Where are blood cells formed?
In the bone marrow.
What do red blood cells transport?
Oxygen from your lungs to your respiring tissues.
Carbon dioxide from your tissues to your lungs.
What do red blood cells contain?
Haemoglobin?
What mineral does Haemoglobin contain?
Iron
What is Haemoglobin + Oxygen called?
Oxyhaemoglobin
Do red blood cells have a nucleus and why?
No, it provides more space for Haemoglobin in the cell, so it can carry and diffuse more in and out, more oxygen.
What is the medical name of for white blood cells?
Leukocytes
Do leukocytes have nuclei?
Yes, they are often larger and lobed.
What is the main function of leukocytes?
Their main purpose is to fight pathogens and remove any dead or infected cells in the body.
What are Phagocytes?
Phagocytes are a type of white blood cell that have lobed nuclei and granular cytoplasm. They can move out of capillaries to the site of an infection and they remove any microorganisms that invade the body by ingesting and digesting them.
What are Lymphocytes?
Lymphocytes are a type of white blood cell that produce antibodies to fight pathogens. They have large nuclei and are responsible for immunity.
The two types of Lymphocytes are?
- B- lymphocytes.
2. T- lymphocytes
What are B and T lymphocytes?
B lymphocytes secret antibodies, in response to contact with their particular antigen, which may be a pathogen or a foreign tissue.
T lymphocytes attack foreign or infected cells and kill them.
What is the medical name for Platelets?
Thrombocytes.
What are Thrombocytes?
They are small fragments of cells, with no nucleus and are made in the red bone marrow.
They help to create blood clots.
