Internal Structure of Frog’s Heart
- Heart of frog is three-chambered muscular organ.
- It works like a pump, contracting and relaxing.
iii. It is enclosed in a membrane called pericardium, which protect it.
- The chambers of heart are Right Atrium, Left Atrium and Ventricle.
- Anterior part consists of two thin walled atria. (single atrium)
- Posterior part consist of thick walled ventricle.
vii. Both atria open into the ventricle by means of valve, which prevent the backward flow.
During this period, it is important to show respect for the aspirations of the child, try not to limit him. Self-education based on authorities in the person of literary heroes or famous people is fundamental. The development and upbringing of a child, as a rule, ends at the last stages of schooling. The final worldview is being formed. The authority of teachers is being restored, but more like experienced mentors. It is very important for the unborn child to treat parenting with special care at all stages of his life.