Khan Academy

Pressure-Volume Boxes (K-A)

Arteries, arterioles, venules, and veins-video (K-A)

Reimagine the pressure volume relationship-video (K-A)

Circulatory system and the heart-video (K-A)

Stroke work in PV loops and boxes (K-A)

Flow through the heart-(video) (K-A)

What is afterload?-video (K-A)

Layers of the heart-video (K-A)

Baby circulation right after birth (K-A)

What is contractility? (K-A)

Lub dub-video (K-A)

Double Bohr effect (K-A)

What is preload?-video (K-A)

Meet the heart!-video (K-A)

Fetal circulation right before birth (K-A)

The heart is a double pump-link (K-A)

Fetal hemoglobin and hematocrit-video (K-A)

Thermoregulation in the circulatory system-video (K-A)

Fetal structures in an adult (K-A)

A race to keep pace! (K-A)

Two circulations in the body-video (K-A)

Flow through the heart-video (K-A)

Action potentials in cardiac myocytes (K-A)

Foramen ovale and ductus arteriosus (K-A)

Action potentials in pacemaker cells (K-A)