El corazón: el motor incansable de nuestro cuerpo

The video explains the heart's role as a vital muscle that pumps blood throughout the body. It describes the heart's structure, including its chambers and valves, and how blood flows through the heart to the lungs for oxygenation. The video also highlights the differences between the heart's right and left sides and the importance of heart valves in maintaining unidirectional blood flow, which produces the heartbeat sound.

What is the primary function of the heart?

• To filter waste

• To digest food

• To store energy

• To pump blood

How does the heart differ from the muscles in your arms and legs?

• It is larger in size

• It is not a muscle

• It never gets tired

• It requires conscious effort to function

What is the role of the right side of the heart?

• To pump blood to the lungs

• To pump oxygenated blood to the body

• To store blood

• To receive blood from the lungs

Why does the left side of the heart have thicker walls?

• It pumps blood to the lungs

• It is less efficient

• It works harder to pump blood to the body

• It stores more blood

What causes the characteristic sound of the heartbeat?

• The closing of heart valves

• The flow of blood through arteries

• The opening of heart valves

• The contraction of heart muscles