blood Flashcards
what are the four parts of blood?
Red blood cells white blood cells and platelets
adaptations of a red blood cell
Biconcave disc- increases surface area. Some more oxygen is absorbed
no nucleus – more room for oxygen
Haemoglobin – binds to oxygen 
what is blood?
Blood is a tissue
what are the two types of white blood cells?
phagocytes and lymphocytes 
what do phagocytes do?
Engulf microorganisms through a process called phagocytosis
what do lymphocytes do?
Produce antibodies against microorganisms. Some may produce antitoxins which neutralise toxins produced by microorganisms.
why might there be an increase of white blood cells in the body?
When you’re fighting off infection, there is an increase of white blood cells
What are platelets and what is the role of platelets
Platelets are small fragment of cell, which helped the blood clot
what happens if you have a little amount platelets in your blood?
Leads to excessive bleeding and bruising
function of plasma
Carries All products around the body
What does plasma carry around the body?
Glucose, amino acid, carbon dioxide, urea, protein, hormones
what is blood mostly made of
Made of plasma
