Science, asked by altamash97, 1 year ago

the blood circulates in our body with in the tube like structure

Answers

Answered by sanjuvirat05
1
blood vessels is the answer
Answered by suniltty180
1
The center of the circulatory system is the heart, which is the main pumping mechanism. The heart is made of muscle. The heart is shaped something like a cone, with a pointed bottom and a round top. It is hollow so that it can fill up with blood. An adult’s heart is about the size of a large orange and weighs a little less than a pound.

The heart is in the middle of the chest. It fits snugly between the two lungs. It is held in place by the blood vessels that carry the blood to and from its chambers. The heart is tipped somewhat so that there is a little more of it on the left side than on the right. The pointed tip at the bottom of the heart touches the front wall of the chest. Every time the heart beats it goes “thump” against the chest wall. You can feel the thumps if you press there with your hand. You can also listen to them with your ear

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