Natalie Thornton

What Is the Pedal Pulse and Why Is It Important?

Does the Brain Tell the Heart to Beat?

How Does the Cardiovascular System Work With the Respiratory System?

What Did William Harvey Discover About Blood Circulation?

Which Heart Chamber Is the Largest & Why It Matters

Why Is Pulmonary Circulation Pressure Lower Than Systemic?

What Is the AV Valve and What Is Its Function?

Why Does the Left Ventricle Have the Thickest Wall?

What Is the Average Stroke Volume?

Who Discovered How Blood Circulates?

Why Do Veins Have Valves But Not Arteries?

What Is a 4-Chambered Heart & How Does It Function?

Why Does Smoking Cause Blood Clots?

Why Does Blood Pressure Decrease When an Arm Is Raised?

How to Calculate Cardiac Reserve and What It Means

What Is a Pulse Number and Why Does It Matter?

What Is Coronary Anatomy? Arteries, Veins, and Function

Left and Right Atria: Function and Role in the Heart

What Is the Effect of the Vagus Nerve on Heart Rate?

How an Optical Heart Sensor Works and Its Accuracy