Ellis Flashcards
1
Q
Describe inspiration
A
Diaphragm moves down Intercostal muscles contract Thoracic volume increases Thoracic pressure decreases to below atmospheric pressure Lowering lung pressure
2
Q
Describe expiration
A
Diaphragm moves up Intercostal muscles contract moving ribs DOWN and IN Thoracic volume decreases Thoracic pressure increases Air flows out the lungs
3
Q
Order of the heart
A
Right atrium Right ventricle Pulmonary artery Lungs Pulmonary vein Left atrium Left ventricle Aorta Body Vena cava
