Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 2 Biology transport in animals questions and answers

Explain three protective functions of mammalian blood.

 (1m 50s)
2804 Views     SHARE

Download as pdf file

Answer Text:
- Contain platelets whose role is blood clotting when vessels are injured to prevent entry of microorganisms
and excessive loss of blood.
- Contains lymphocytes that produce antibodies that protect the body from infections.
- Contain phagocytes that engulf and digests pathogens through phagocytosis.