Advertisement
question

How does blood help fight infection?

Anthony L. Komaroff, MD
Anthony L. Komaroff, MD
Internal Medicine
answer
Blood participates in innate immunity. Proteins known as complement proteins circulate in the blood, coating invading bugs and punching holes in them, which speedily destroys them. Small fragments of complement proteins also adhere to the pathogen surface, flagging them for destruction by phagocytes.

Continue Learning about Blood Basics

Can I donate blood if I have cancer?
Can I donate blood if I have cancer? Eligibility to donate blood depends on the type of cancer and t...
More Answers
What does blood consist of?
What does blood consist of? Blood is made up of red blood cells, white blood cells, plasma, and plat...
More Answers
What happens if a patient receives the wrong blood type?
If a patient receives a blood type that is incompatible, antibodies that the patient already has in ...
More Answers
Can I donate blood if I have a cold or the flu?
Can I donate blood if I have a cold or the flu? You should not donate blood if you are sick. Learn m...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.