How does oxygen move into blood

Blood is made of many components, one of them being red blood cells. These are responsible for carrying oxygen around the body. Haemoglobin is the protein molecule within red blood cells that binds to oxygen.

In our lungs, we breathe in the oxgyen into small tree-like structures called alveoli right at the end of the lung tissue. The oxygen diffuses across these thin walls and across the thin walls of the blood vessels. Once in the blood, they bind to the haemoglobin forming oxyhaemoglobin which can then be taken to the organs of the body. 

Answered by Nisha A. Biology tutor

9577 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Describe how protein is made in the cell.


A patient has the cold, explain to them why antibiotics can only be used to treat certain types of infection and the issues that develop when antibiotics are used too much.


How do organims evolve via natural selection?


1a) Give 3 structures that an animal cell would contain and describe their function? 1b) Name 3 different structures that a plant cell contains which an animal cell would not.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences