TED-Ed: How blood pressure works - Wilfred Manzano

The video explains the vast network of blood vessels in the human body, highlighting their role in circulating blood and delivering oxygen and nutrients. It describes blood pressure, its measurement, and factors affecting it, such as fluid properties and stress. The video discusses hypertension, its risks, and the formation of atherosclerosis. It also covers medical interventions like angioplasty and stents to treat blocked vessels. Finally, it emphasizes the resilience of arteries and the heart's ability to handle pressure over a lifetime.

What is the term for the force exerted by blood on the walls of blood vessels?

• Blood pressure

• Blood volume

• Blood viscosity

• Blood flow

Which of the following can lead to an increase in blood pressure?

• Decreased blood volume

• Low-salt diet

• Increased blood viscosity

• Relaxation

What is the medical term for consistently high blood pressure?

• Hypertension

• Atherosclerosis

• Arrhythmia

• Hypotension

What condition is characterized by the buildup of plaque in the arterial walls?

• Aneurysm

• Atherosclerosis

• Embolism

• Thrombosis

Which procedure involves inflating a balloon to open clogged blood vessels?

• Phlebotomy

• Bypass surgery

• Angioplasty

• Endarterectomy