Question

explain working and structure of heart​

Answer 1

The heart is located in chest cavity .

It supply 2 types of blood oxgenated and

deoxygenated .In oxygenated blood carry though pulmanory arteries and deoxygenated blood pass through pulmanory veins . The oxygenated blood is known as collecting vessel and deoxgenating blood is known as distrubuting vessel . it supply oxgenated blood from heart to all part of body . The deoxygenated blood supply blood from lung to all part of body

Answer 2

In our school it is taught!!!