The Heart Sound S₂ Is Due to Closing of the Aortic

question 12

True/False

The heart sound S₂ is due to closing of the aortic and pulmonic valves.

---

Definitions:

Material

Any substance or matter used in manufacturing, construction, or composition of something else.

Stream Channel

The physical confine of a stream (rivulet) consisting of a bed and banks, which confines and directs water flow.

Linear Ridges

Long, narrow elevations of land often formed by tectonic activities such as the folding of the Earth's crust or by the solidification of magma.

Scarp

A steep slope or cliff, typically formed by erosion or faulting.