4 The inferior borde rests on the diaphra from the sixth costa the right side to

Question

4 The inferior borde rests on the diaphra from the sixth costa the right side to the heart on the left sic juuP finger inferiorly rom the second rib, you will palpate an alternating series of ribs and intercostal spaces. For example, just inferior to the second rib is the second intercostal space, followed by the third rib and third intercostal space, and so on. The right border a curved from the third co the sixth costal c right side. MAKING CONNECTIONS Examine a heart model and determine which heart chamber(s) form the: Base of the heart Apex of the heart: Left border of the heart: Right border of the heart: Inferior border of the heart en Gross Anatom EXERCISE 21

Explanation / Answer

Q.1

Ans. Base of the Heart - It is also called as Posterior surface, it is mainly formed by left atrium in which four of the pulmonary veins drain and it lies opposite to the apex.

Apex of the Heart - It is formed by the left ventricle and it is directed towards the downward, forward and the left side, about 3.5 inches from the midline it lies at level of the fifth intercostals.

Left border of the Heart - It is formed by left auricle and ventricle.

Right border of the Heart - It is formed by the right atrium.

Inferior border of the Heart - Mainly it is formed by right ventricles and left ventricles which is seperated by the posterior interventricular groove.

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