IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: Sue T on April 25, 2010, 03:09:10 pm

Title: very small bio question
Post by: Sue T on April 25, 2010, 03:09:10 pm

in the SUBJECT CONTENT it says:

*describe the structure of the human gas exchange system, including the microscopic
structure of the walls of the trachea, bronchioles and alveoli with their associated blood
vessels;

which blood vessels? do we have 2 learn nythin specific?

Title: Re: very small bio question
Post by: nid404 on April 25, 2010, 03:16:07 pm

you need to learn about the arteries,veins,capillaries,arterioles,venules