BIOLOGY 2A03 Lecture Notes - Lecture 38: Vascular Resistance, Pulmonary Circulation, Central Venous Pressure

• School: McMaster University
• Department: Biology
• Course: BIOLOGY 2A03
• Professor: Graham R.Scott

Document Summary

Blood low = diference in pressure and is inversely related to resistance. Where delta p = pressure diference between 2 points in the circulatory system opressure is the force/unit area exerted by blood, generated by heart contracions. R = resistance that impedes low (e. g. fricion) - not measured, calculated from low and pressure. > there is less resistance so there is an increase in blood low. > there there is this set is greater resistance so a decrease in blood low of videos was helpful for an overview of what we talk about! htps://www. khanacademy. org/science/health-and- medicine/circulatory-system/blood_pressure/v/puing-it-all-together-pressure-low-and-resistance. The fundamental law of circulaion - systemic circuit. Cvp = central venous pressure (in vena cava) Map: weighted average of ime spent in systole and diastole (map = 1/3*systolic p + 2/3*diastolic p: map is the force driving blood to systemic issues. Systemic arterial 90 mmhg ( p helps drive large amounts of low, since there is a lot of issue)