Gas Exchange 6.4 & D.6

A tidy little unit!

Here is the new IB syllabus:gas exchange new syllabus agas exchange new syllabus b


 Here is the likely content for SAT


ALVEOLAR CELLS

Pneumocyctes Type 1 appear in the IB syllabus for the first time. (Type II are concerned with the secretion of surfactants.)

Macrophages are important in the immune system and are referred to in Topic 6.3, Defence against Infectious Disease.

alveolar cell types


Animal gas exchange – how and why? Putting the human gas exchange system into context. A fairly straightforward powerpoint. AnimalGasXC how and why


A thorough and complete powerpoint, covering most of the topic: comprehensive advanced good ppt


What is it necessary to have a ventilation system?explain need ventilation


Here are several pages of excellent reading (from Biology in Context by Glenn and Susan Toole)page1page2page3page4the role of mucus in the lungs


THE HUMAN BREATHING SYSTEMbreathing system


LUNG VENTILATIONbreathe_in-outbreathing pressures22-16a_RespVolCap_1



THE ALVEOLUSalveolus caps muscle etcalveolialveolus-structure-of-manalveolar tissue close up


IB PAST PAPER QUESTIONS

MULTIPLE CHOICE

STRUCTURED ANSWERS: 

Eyyy! left to right