78.78.What is contractility Circulatory

77.77.What is afterload Circulatory sys

76.76.Understanding the pressure-volume

75.75.Three types of muscle Circulatory

74.74.Three types of capillaries Circul

73.73.Thinking about heartbeats Circula

72.72.Sympathetic nerves affect myosin a

71.71.Stroke work in PV loops and boxes

70.70.Stored elastic energy in large and

69.69.Sarcomere length-tension relations

68.68.Resetting cardiac concentration gr

67.67.Reimagine the pressure volume rela

66.66.Pressure in the left heart - part

65.65.Pressure in the left heart - part

64.64.Pressure in the left heart - part

63.63.Preload stretches out the heart ce

62.62.Preload and pressure Circulatory

61.61.Pre-capillary sphincters Circulat

60.60.Permeability and membrane potentia

59.59.New perspective on the heart Circ

58.58.What is preload Circulatory syste

57.57.Myosin and actin Circulatory syst

56.56.Membrane potentials - part 2 Circ

55.55.Membrane Potentials - Part 1 Circ

54.54.Left ventricular volume vs. time

53.53.Left ventricular pressure vs. time

52.52.Increasing ventricular contractili

51.51.How tropomyosin and troponin regul

50.50.Heart cells up close! Circulatory

49.49.Getting Ea (arterial elastance) fr

48.48.Getting a new heart Circulatory s

47.47.Frank-Starling mechanism Circulat

46.46.End systolic pressure-volume relat

45.45.End diastolic pressure-volume rela

44.44.Electrical system of the heart Ci

43.43.Drawing a pressure-volume loop Ci

42.42.Depolarization waves flowing throu

41.41.Contractility, Ea, and preload eff

40.40.Compliance and elastance Circulat

39.39.Compliance - increased blood flow

38.38.Changing the heart rate - chronotr

37.37.Changing the AV node delay - chron

36.36.Calcium puts myosin to work Circu

35.35.Bernoulli's equation of total ener

34.34.Autonomic nervous system effects o

33.33.Arterial elastance (Ea) and preloa

32.32.Arterial elastance (Ea) and afterl

31.31.Active contraction vs. passive rec

30.30.Why doesn't the heart rip Circula

29.29.Action potentials in pacemaker cel

28.28.Action potentials in cardiac myocy

27.27.A race to keep pace! Circulatory

26.26.Fetal structures in an adult Circ

25.25.Baby circulation right after birth

24.24.Fetal circulation right before bir

23.23.Double Bohr effect Circulatory sy

22.22.Foramen ovale and ductus arteriosu

21.21.Hypoxic pulmonary vasoconstriction

20.20.Umbilical vessels and the ductus v

19.19.Aldosterone raises blood pressure

18.18.General overview of the RAAS syste

17.17.Parts of a nephron Circulatory sy

16.16.Regulation of blood pressure with

15.15.Blood pressure changes over time

14.14.Flow and perfusion Circulatory sy

13.13.Adding up resistance problem Circ

12.12.Adding up resistance in series and

11.11.Learn how a stethoscope can help d

10.10.What is blood pressure Circulator

9.9.Thermoregulation in the circulatory

8.8.Putting it all together Pressure, fl

7.7.Resistance in a tube Circulatory sy

6.6.Arteries vs. veins-what's the differ

5.5.Layers of a blood vessel Circulator

4.4.Lub Dub Circulatory system physiolo

3.3.Two Circulations in the Body Circul

2.2.Flow through the heart Circulatory

1.1.Meet the heart! Circulatory system