What does plasma transport?
Sugar
Urea
Carbon dioxide
How do white blood cells protect the body?
Phagocytes engulf and digest pathogens in phagocytosis.
Lymphocytes produce antibodies which recognise the antigen.
Lymphocytes also produce memory cells so the pathogen can be destroyed early.
What do platelets do?
Lot the blood at the site of a wound
How are rbc adapted for their function?
Bioconcave for inc SA
No nucleus for inc SA