Exam 1:
diffusion rate difference of gjucose concentration (out -in)
gradient: the diff in Sonmething between 2 places (abs. vatue) F1vx=rate ofpassiveFIcw of Sultanees
External Brains
-trachea & other tubes
Ventilation Diagram: Inhalation: 1. diaphragm_contracts and pulls down,expanding thoracie cavity and pulls on pleural membranes thoracic cavity 3. pleural membranes pull on lungs increase volume 3. Qir from outside rushes_into lungs through trachea -lungs Exhalation:
760mmHe
1. Contraction of diaphragm stops
5. diaphragm relaxes 3. elastic recoil of lung tissue pulls diaphragm up
7S8 mmHq
diaphraan
y. air is pushed out through airway
16O mmHq alvebli
capillaries 20-40 mmHc
-arteries
-heart
bl