Where's the heart of ?​

The heart is located in the chest between the lungs behind the sternum and above the diaphragm. It is surrounded by the pericardium. Its size is about that of a fist, and its weight is about 250-300 g. Its center is located about 1.5 cm to the left of the midsagittal plane.

Explanation:

I didn't understand your question so I wrote the answer of human heart

i don't think so because different teachers have different materials. tehy teach differently, unless you know for sure your teacher is the exact same as others. i would just contact ur teacher

abuse, both physical and emotional. messes with your head. makes you feel like nothing, no matter what anyone else tells you