Khan Academy

Aldosterone and ADH (K-A)

Aldosterone raises blood pressure and lowers potassium (K-A)

Aldosterone removes acid from the blood (K-A)

Layers of a blood vessel (K-A)

Angiotensin 2 raises blood pressure (K-A)

Pre-capillary sphincters (K-A)

Baby circulation right after birth (K-A)

Three types of capillaries (K-A)

Double Bohr effect (K-A)

Fetal circulation right before birth (K-A)

Fetal hemoglobin and hematocrit (K-A)

Fetal structures in an adult (K-A)

Arterial elastance (Ea) and afterload (K-A)

Flow through the heart (K-A)

Arterial elastance (Ea) and preload (K-A)

Foramen ovale and ductus arteriosus (K-A)

Contractility, Ea, and preload effects on PV boxes (K-A)

General overview of the RAAS system: Cells and hormones (K-A)

Getting Ea (arterial elastance) from the PV loop (K-A)

Hypoxic pulmonary vasoconstriction (K-A)

Increasing the heart's force of contraction (K-A)

Meet the placenta! (K-A)

Reimagine the pressure volume relationship (K-A)

Arteries vs. veins – what's the difference? (K-A)

Parts of a nephron (K-A)