RED AND WHITE BLOOD CELLS Flashcards
What is the role of red blood cells?
The role of the red blood cells is to carry oxygen around the blood. They take up oxygen from the lungs and deliver it to the cells in the body tissues.
How is the red blood cell suited for this function?
The biconcave shape means that the cell has a large surface area which helps it absorb oxygen.
How many are there in the blood?
70% of cells are red blood cells.
Where are red blood cells made?
Bone Marrow
What is the name of the red pigment in red blood cells called?
Haemoglobin
What is the function of the red pigment?
It helps the red blood cell absorb oxygen, it contains iron.
Which cell organelle do red blood cells lack?
They lack in a nucleus.
What is the function of phagocytes?
They kill micro-organisms by surrounding and engulfing them.
Where are White Blood Cells made?
Bone Marrow
What is the function of lymphocytes?
Produce chemicals called antibodies. They kill the foreign micro-organisms.
