Contraction of heart is also known as-
1). Aristotle
2). Systole
3). Diastole
4). Lub
The rhythmic cycle of heart includes the contraction and relaxation of heart muscles to produce cardiac cycle. During this process contraction of heart muscle is known as systole and relaxation of heart muscle is known as diastole.
1. शांत पेटी किस रेखा के दोनों और पायी जाती है ?
4. Which one of the following states is the first state to impose Agriculture Income Tax in India?
5. Which among the following is the outermost layer in the human skin?
7. If x = sin θ + cos θ and y = sin θ – cos θ, then the value of (x2 + y2 - 1) × (x2 + y2 + 5) will be