Question

Why is left lung smaller than right lung​

Answer 1

The lung on the left side is smaller than your right to make extra space for your heart

Answer 2

I guess I should guess sit correct.

Step-by-step explanation:

if the left lung's size is equal to the right lung's size, then there wont be any space for the heart.

so the space left on your left lung is occupied by the heart.

hope it helps :)