Respiratory System

Question 1

Describe the mechanics of breathing

Answer 1

Breathing is a process where air is transported in and out the lungs.

Question 2

What is the concentration gradient

Answer 2

• • Gases move down the concentration gradient

- - Gases always move from area of high to low PP

Question 3

Describe inspiration

Answer 3

Diaphragm contracts and pulls flat, the external intercostals move ribs up and out. Creating a bigger space and lower PP. Air then moves from High PP to Low PP