CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
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- Works with the pulmonary system Ans✓✓✓cardiopulmonary or
cardiorespiratory system
-Transports O2 and nutrients to tissues
- Removal of CO2 wastes from tissues
- Regulation of body temperature Ans✓✓✓purposes of the
cariorespiratory system
What is the shape of the muscle fibers in the heart? Ans✓✓✓shorter
than skeletal muscle fibers and branching
Is there cellular junctions in the heart? Ans✓✓✓yes- intercalated discs
What is the neural control of the heart? Ans✓✓✓involuntary
The change in pressure of the system/ resistance of the blood flow
Ans✓✓✓blow flow
Directly proportional to the pressure difference between the two ends of
the system Ans✓✓✓blood flow
, Proportional to the difference between MAP and right atrial pressure
Ans✓✓✓pressure
- Length of the vessel
- Viscosity of the blood
- Radius of the vessel Ans✓✓✓resistance depends upon
(length x viscosity)/radius^4 Ans✓✓✓resistance
- MAP decreases throughout the systemic circulation
- Critical players= the arterioles Ans✓✓✓sources of vascular resistance
Resistance vessels Ans✓✓✓arterioles
What are the two things that provides increased O2? Ans✓✓✓increased
cardiac output and redistribution of blood flow
When doing exercise what happens to blood pressure? Ans✓✓✓systolic
increase and diastolic stays the same
Stroke volume goes up during exercise and then Ans✓✓✓plateaus
HR x systolic blood pressure = Ans✓✓✓double product