Question

3]
Fill the given words in the following paragraph at proper places and underline them.
[Veins, Artery, Blood, Four, Blood vessels, Fist, Systemic aorta, Heart]
Human blood circulatory system is composed of
------ and
Our heart is ---------chambered. Generally oxygenated blood flows through
And deoxygenated blood flows through ---
The main blood vessel which receives pure blood from heart and circulate the body
is known as
- Size of our heart is equal to one's
and its weight is
360 grams.​

Answer 1

Answer:

1st answer is __blood_____

2nd answer is ___veins______

3rd answer is ____artery_________