Answer:
I think its the third one.
Explanation:
The mitochondria produces energy and respiration takes place there,so it cant be that.
I hope this helps in any way.
Bones in your skull (cranial and facial bones), ears, neck, vertebrae, sacrum and tailbone and ribcage (sternum and ribs).
The answer is D.
With mechanical advantage, less work is put in for a better result.
It can apply force in a shorter distance, but increase distance itself.
