• Improve Tuition
  • Improve Tuition
  • Improve Tuition
  • Improve Tuition
  • Improve Tuition

Gas Exchange in the Lungs

Fill in your details and we
will get back to you shortly

 Book a trial session enquiry



Page:   1 | 2                                                                    < >


Gas Exchange in the Lungs

The lungs are optimized to ensure that exchange happens efficiently as possible.

In the lungs the two main gases that are exchanged are oxygen and carbon

dioxide. This gas exchange across the alveoli.


Features of the alveoli

The alveoli are small structures within the lungs, which resemble a hollow bunch

of grapes. They help to increase surface area, they have very thin walls and

have a very large blood supply. All these factors help to increase the rate of



Active transport in the human body

Active transport is used in the gut when there is a low concentration of nutrient

in the gut, but a high concentration in the blood.

When there is a lower concentration in the gut and the nutrients need to enter the

blood then active transport allows the nutrients to travel against the concentration


Page:   1 | 2                                                                  Next >


Related Topics

 Classification                                               Ventilation