Question

The oxygenated blood and deoxygenated blood in the heart do not get mixed.Give reasons.

Answer 1

Heart:

1. Human Heart is a muscular organ it has four chambers.
2. The upper two chambers are called auricles.(singular atria)
3. The lower chambers are called ventricles.
4. The left side of the heart contains the oxygenated blood.
5. The right side of the heart consists of deoxygenated blood.
6. The two atria are separated from each other by a thin, muscular wall called the inter-atrial septum.
7. The right and left ventricles are by a thick-walled, inter-ventricular septum.
8. The inter-atrial septum and inter-ventricular septum prevent mixing of deoxygenated blood in the right side of the heart with oxygenated blood in the left side of the heart.