Question

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Answer 1

Answer:

$\huge\mathcal\green{Heya\ ☺}$

1. The left side of the heart contains oxygenated blood.

2. The Valves. There are four valves in the heart which

prevent the unusual flow of blood.

3. The wall separating the two auricles is called Auricular septum.

4. The Superior vena cava and the Inferior vena cava are

the two major veins.

5. Blood flows twice in the heart before it completes one

full round : (1) he short pulmonary circulation and (2) the

long systemic circulation.

6. The double layered covering of the heart is known as Pericardium.

7. The four blood groups in human beings are A, B, AB, O .