Edexcel OLevel Biology revision notes

Your Progress: 58 of 217 (27%)

Lesson

Lesson-2.6.9- explain how alveoli are adapted for gas exchange by diffusion between air in the lungs and blood in capillaries.

No content available for this lesson.

Lesson-2.6.8- understand the role of the intercostal muscles and the diaphragm in ventilation.Previous Lesson-2.6.10- understand the biological consequences of smoking in relation to the lungs and the circulatory system, including coronary heart disease.Next