MHT CET · BIOLOGY · STD 12 - 8. Respiration and Circulation

Human heart lies in the space, present between two lungs is called __________ .

A Rathke's pouch
B Mediastinum
C Median eminence
D Sella turcica

Verified Solution

Answer & Solution

Correct Answer

(B) Mediastinum

Step-by-step Solution

Detailed explanation

Mediastinum space is the space between two lungs where heart is situated. Sella turcica is a bony depression in which pituitarygland remains lodged, Rathke's pouch is embryonic anterior pituitary lobe.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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