Question

Explain any two problems related to functioning of heart?

Answer 1

1. Heart : A heart is a muscular organ that pumps blood through the circulatory system by expansion and contraction.
2. Heart diseases: The problems related to the functioning of heart are known as the heart related diseases.

Cardiac arrest:

1. Cardiac Arrests usually occur when the heart stops beating due to certain reasons.
2. Cardiac arrests cause the stopping of the heart, leading to heart failure primarily due to Ventricular fibrillation.

Valvular heart disease:

1. If any of the valves of the heart ( aortic, mitral, pulmonary and tricuspid valves ) are damaged, it results in valvular heart disease
2. The basic reason for this disease is the damage to heart valves due to age.