Question

cardiac system consists of​

Answer 1

The cardiovascular system is sometimes called the blood-vascular, or simply the circulatory, system. It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries

Answer 2

Answer

Cardiac system comprises heart (a muscle chambered organ), blood vessel ( a network of closed branching vessels) and blood (the fluid).

Know more :

$\leadsto$ Human heart is situated in the thoracic cavity.

$\leadsto$ They are four chambered, two small upper chambers are called atria and two large lower chambers called ventricles.

$\leadsto$ The wall of ventricles are much thicker than that of the atria.

$\leadsto$ The entrie heart is made up of cardiac muscles.

$\leadsto$ 72 cardiac cycles are performed per minute.

$\leadsto$ The 1st heart sound is associated with the closure of the bicuspid values and 2nd heart sound is associated with the closure of the semilunar value.