Blood Flashcards
Blood composed of
Plasma
Red blood cells
White blood cells
Platelets
Functions of plasma
-transports substances eg glucose co2
-transports blood cells and platelets
-transports heat around body
Red blood cells
Produced
In bone marrow
Rbcs
Function
Transport oxygen around body
-don’t have nucleas or mitochondria
Rbcs
Broken down
In the liver
Adaptations to transport oxygen
-bioncave shape -large surface area for picking up oxygen
-flexible -difficult to damage
White blood cells
Produced
In bone marrow
Wbcs
Function
Fight infection
-have a nucleas
-no definite shape
Two types of wbcs 1.
Lymphocytes
Act- in lymphatic system
Function- produces antibodies
Two types of wbcs 2.
Monocytes
Act - all over the body
Function - engulfs and destroys pathogens
Thrombosis
A blood clot formed in a damaged blood vessel
Eg brain causing a stroke
Platelets
Produces
In bone marrow
Platelets function
Clotting blood
Functions of blood clots
-reduces blood loss
-acts as a barrier to pathogens Haemophiliacs can’t
