Lecture 12 - circulation and respiration
pressure - as blood moves through system- ✅✅ decreases
pressure and pulse - in - due to high resistance-✅✅ decrease, arterioles
velocity of blood highest in -, lowest in -, and intermediate in --✅✅
arteries, capillaries, veins
✅✅ smaller, left
pressure fluctuations in arteries are - than those in --
ventricle
aorta acts as a- ✅✅ pressure reservoir
✅✅
elasticity of aorta allows for expansion during - and recoil during --
systole, diastole
arteries have a - muscular wall to compensate for the pressure- ✅✅
thicker
veins have - walls- ✅✅ thin and compliant
small increases in blood pressure leads to large changes in- ✅✅ volumes
two pumps assist in moving blood pack to heart- ✅✅ skeletal muscle and
respiratory pumps
respiratory pumps change pressure in - during ventillation- ✅✅ thoracic
cavity
pacemaker potential controls- ✅✅ frequency of action potentials of the
heart
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