Topic 8 Flashcards
Alveadaptations of alveoli
Small but millions so large surfac area
Inside alveoli there is a high conc of O2 and low conc of CO2
One cell thick so short distance
Blood goes back to body with high O2 conc and low CO2 conc
Flicks law
Rate of diffusion is inversely proportional to the surfac are x concentration difference over the thickness of membrane
The larger the concentration difference means
The bigger the difference in particles on different sides so faster rate of diffusion
Capillary adaptations
Once cell thick
Continual flow of blood maintains conc gradient
Glucose and O2 diffuse out and CO2 diffuse in
Names where blood enters the heart and which side
Superior and inferior vena cava enters right
Pulmonary vein enters left
How blood leaves the heart and which side
Through aorta right and pulmonary artery left
All enters and leaves heart from
Atrium
Only vein to carry oxygenated blood is and to where (unsusual of veins)
Pulmonary vein and into the heart
Only artery to carry deoxygenated blood and to where (unusual of arteries)
Pulmonary artery and to lungs
Aorta carries what type of blood and to where
Oxygenated blood to the rest of the body
Vena Cava carries what type of blood to where
Superior from upper body to right side heart inferior from lower right side deoxygenate blood
Blood from pulmonary vein passes through left atrium into left ventricle passes through which Valve?
Bicuspid Valve
Blood passes through left ventricle into left atrium to eventually leave through aorta from which Valve?
Aortic semi lunar valve
Blood from vena cava enters right side then flows into right ventricle through which valve?
Tricuspid Valve
Blood from right ventricle passes into right atria to leave through pulmonary artery through which valve?
Pulmonary semi lunar valve
