What is the significance of the difference in thickness of the ventricular walls?

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. he was not wearing a safety helmet. his zygomatic arch was crushed, as well as parts of the temporal bone. following the accident and reconstructive surgery, he noted that his left lower eyelid was still drooping and the corner of his mouth sagged. what nerve damage did he sustain?

Occurs when the immune system attacks the body. lupus cancer sickle cell disease huntingtons disease

How does nitrogen oxides are produced and their air environment impact