pathophys

Question 1

what is the main tirgger of breathing

Answer 1

co2

Question 2

how does inspiration occur

Answer 2

diaphragm contract and intercostal muscles contract increasing the space in the thoraz

pressure in lungs because more postive and goes below atmospheric pressure so air rsuhes in

Question 3

which muscle normally does the work for bretahing at rest

Answer 3

diapharagm

Question 4

which muscles are assecssosry

Answer 4

chest wall muscles (intercostals)
SCM
scalene(neck)

Question 5

inspiration is active, expiration is passive