Question

Project Work
प्रोजेक्ट वर्क
Q.7
(A) Complete the word puzzle by reading their meaning / definition.
नीचे दिये शब्दों के अर्थ को पढ़ें फिर उस शब्द का पूरा नाम लिखें।
(1)
a structure across a river, road etc.
b
Iogle
(2)
a place where aeroplanes land and take off
a li a plolblt
(3) . this runs on rails
1 А ТА
(4)
a piece of paper that gives the right to admission in a train or a bus.
t
i ckelt
(5)
a natural flow of water from one place to another
r
C
(6) the place where we live
h​

Answer 1

From here, the electrical signal travels through the right and left ventricles, making them contract. One complete heartbeat is made up of two phases: The first phase is called systole (SISS-tuh-lee). This is when the ventricles contract and pump blood into the aorta and pulmonary artery.