Blood Flashcards
Name 4 parts of the blood
Plasma
RBC
WBC
PlsteletS
Describe Plasma and what it contains
Liquid
- Proteins
- Nutrients
- Gases
- Wastes
Function of Plasma
Transport medium for blood cells and dissolved substances
Transports heat
What is serum
Plasma with the clotting proteins removed
Describe RBC’s
Contain Haemoglobin
Made in bone marrow (ribs)
Function of RBC
Transports oxygen
Describe RBC
Biconcave shape
No nuclei
Haemoglobin
What is oxyhaemoglobin
When haemoglobin gains oxygen in the lungs
Describe WBC
Large
Have a nucleus
No definite shape
Made in bone marrow
Function of WBC
Defence against disease
Name the two types of WBCs
Monocytes
Lymphocytes
Give an account and function of Monocytes
- 5% WBC
- 6-9 days
- Bone marrow
Function: Engulf foreign matter by phagocytosis
Give an account and function of Lymphocytes
- 25% WBC
- 3-10years
- Mature in bone marrow
Function: Produce antibodies to fight disease
Describe and give a function of platelets
- Fragments of cells
- No definite shape
- No nuclei
Function: Blood clotting to prevent the entry of pathogens