Circulatory System & Respiration Flashcards
1
Q
What is the difference between repiratory medium and respiratory surface?
A
Media = Water/Air Surface = Lungs/Gills
2
Q
Draw and explain the hemoglobin disassociation curve.
A
Rip
3
Q
How does carbon dioxide move from tissues to blood?
A
- CO2 diffuses from tissue to interstitial fluid to plasma (and most) to red blood cell
- Some CO2 attach to hemoglobin, most bind with H20 to create carbonic acid
- Carbonic acid breaks down into Hydrogen ions and Bicarbonate
- Hemoglobin takes up Hydrogen ions to prevent blood from getting too acidic
4
Q
How does carbon dioxide move from blood to lungs?
A
Opposite to tissues -> blood
5
Q
How does oxygen move from the lungs to blood to tissues?
A
O2 binds to hemoglobin, and carried to tissue area, where it diffuses through capillary walls to interstitial fluid to tissues.
6
Q
Why are arterial walls (smooth muscle & connective tissue) thicker than those of veins?
A
-
7
Q
Why do veins have valves but not arteries?
A
-
8
Q
Draw figures of area, velocity, and pressure between arteries, veins and capillaries.
A
-
9
Q
What is the sequence of blood clotting?
A
-
