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Bio-Zoology Laboratory Practical Experiment - Identification of longitudinal section (L.S) of the human heart | 10th Science : Bio-Zoology Practicals

Chapter: 10th Science : Bio-Zoology Practicals

Identification of longitudinal section (L.S) of the human heart

To observe and draw a labelled sketch of L.S of human heart and write the structure.

Identification of longitudinal section (L.S) of the human heart.

 

Aim:

To observe and draw a labelled sketch of L.S of human heart and write the structure.

 

Materials Required:

Model showing the L.S of human heart

 

Observation:

The given model is identified as L.S. of human heart


1.              The human heart has four chambers. It is made up of two auricles and two ventricles

2.              The chambers are separated by interauricular and interventricular septum. It prevents the mixing of oxygenated and deoxygenated blood.

3.              Tricuspid valve - It is located between the right auricle and the right ventricle

4.              Bicuspid valve - It is located between the left auricle and the left ventricle

5.              The heart is covered by a protective double walled membrane called pericardium

6.              The heart pumps blood to all parts of the body.

 

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10th Science : Bio-Zoology Practicals : Identification of longitudinal section (L.S) of the human heart | Bio-Zoology Laboratory Practical Experiment


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