Skip to content
search
繁
简
A
A
A
Contact Us
Youtube
Instagram
Facebook
Background
History and Background
Vision and Mission
Service Scope
Integration Management System
Integration Management System
Quality Management
Occupational Health & Safety Management
Environmental Management
Recognitions and Awards
Association for the Advancement of Blood and Biotherapies (AABB) accreditation
NetCord-FACT Accreditation
Code of Good Manufacturing Practice (cGMP)
Job Opportunity
News & Events
Latest News
Latest Events
Mobile Donation Service Schedule
Activity for Medical Laboratory Technologists
Hong Kong Red Cross Chinese First Aid App
Media Releases & Coverage
Blood Donation Info
Why Donate Blood
Blood Knowledge
Blood Components and usage
Blood Groups
Donation Criteria
Health Consultation
Donation Procedure
Post Donation Advice
Information on Deferral
Blood Processing
Apheresis Donation
Negative Blood Donation
Online eligibility test
Blood Group Heredity
Mobile apps - HKBlood
Introduction of HK Blood
"HK Blood" mobile app
"GIFT OF LIFE" blood donation loyalty programme user guide
Appointment booking FAQ
Tutorial for making apheresis appointment
Donor Web Portal
Frequently Asked Questions
Download Forms
Blood donation calculator
Key facts in Blood Collection and Usage
2024 Blood Donation Infographics
2023 Blood Donation Infographics
2022 Blood Donation Infographics
2021 Blood Donation Infographics
2020 Blood Donation Infographic
2019 Key facts in Blood Collection and Usage
2018 Key facts in Blood Collection and Usage
Blood Safety
Voluntary Non-remunerated Blood Donation
Donor Screening
Infectious Disease Testing
Where to Donate
Where to Donate
Mobile Donation Service Schedule
Sze Pang Nien Memorial Headquarters Donor Centre (For Group Donation)
Mongkok Donor Centre
Kwun Tong Donor Centre
West Kowloon Donor Centre (Whole Blood)
Central District Donor Centre
Causeway Bay Donor Centre
Wan Chai Donor Centre
Shatin Donor Centre
Tsuen Wan Donor Centre
Yuen Long Donor Centre
Mobile Blood Donation Vehicle
Group/ Mobile Donation Service
Haematopoietic Stem Cells Donation
Introduction
Eligibility and Registration
Matching and Haematopoietic Stem Cells Donation
Bone Marrow Harvest
Peripheral Blood Stem Cell Donation
Frequently Asked Questions
Contact Us
Cord Blood Bank
Services & Programmes
Autologous Transfusion
School Blood Donation Campaign
Introduction
Learn About Blood Tour
School Blood Donation Information Pack
Educational Videos
Exclusive Souvenir for Students
Download Forms
Iron Supplement Programme
Negative Blood Donor Programme
Blood Donation Recognition Schemes
Publications & Videos
Blood Donation Info
Iron Feast
Donor Recognition
Educational Pack for Bone Marrow Donor Registration
Educational Pack for Confirmatory Typing and Workup
Blood Post
Activity Snapshots
TV Advertisements
Educational Videos
Promotion Materials
Healthy and Nutritious Recipes - Chinese Version Only
Scientific Publications
70th Anniversary Photobook
60th Anniversary Publication
Mini-games
Book donation
Red Cell
Home
>
Blood Donation Info
>
Blood Knowledge
>
Red Cell
Shape: Biconcave disc-shaped cells
Diameter: 6～8µm
Quantity: 4-6 million/
mL
Lifespan: 120 days
Function: Deliver oxygen to body tissues & transport carbon dioxide back to the lungs
